AskDefine | Define open

Dictionary Definition

open adj
1 affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open" [syn: unfastened] [ant: shut]
2 affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks" [ant: closed]
3 with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound" [syn: exposed]
4 open to or in view of all; "an open protest"; "an open letter to the editor"
5 used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened" [syn: opened] [ant: closed]
6 not having been filled; "the job is still open"
7 accessible to all; "open season"; "an open economy"
8 not defended or capable of being defended; "an open city"; "open to attack" [syn: assailable, undefendable, undefended]
9 (of textures) full of small openings or gaps; "an open texture"; "a loose weave" [syn: loose]
10 having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
11 opened out; "an open newspaper"
12 of a set; containing points whose neighborhood consists of other points of the same set, or being the complement of an open set; of an interval; containing neither of its end points [ant: closed]
13 not brought to a conclusion; subject to further thought; "an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined" [syn: undecided, undetermined, unresolved]
14 not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table" [syn: opened]
15 without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
16 relatively empty of and unobstructed by fences or hedges or headlands or shoals; "in open country"; "the open countryside"; "open waters"; "on the open seas"
17 open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering" [syn: overt] [ant: covert]
18 used of string or hole or pipe of instruments [syn: unstopped] [ant: stopped]
19 not requiring union membership; "an open shop employs nonunion workers" [syn: open(a)]
20 possibly accepting or permitting; "a passage capable of misinterpretation"; "open to interpretation"; "an issue open to question"; "the time is fixed by the director and players and therefore subject to much variation" [syn: capable, subject]
21 not secret; "open plans"; "an open ballot"
22 without any attempt at concealment; completely obvious; "open disregard of the law"; "open family strife"; "open hostility"; "a blatant appeal to vanity"; "a blazing indiscretion" [syn: blatant, blazing, conspicuous]
23 affording free passage or view; "a clear view"; "a clear path to victory" [syn: clear]
24 lax in enforcing laws; "an open town" [syn: wide-open, lawless]
25 openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk" [syn: candid, heart-to-heart]
26 sincere and free of reserve in expression; "Please be open with me"
27 receptive to new ideas; "an open mind"; "open to new ideas"
28 ready for business; "the stores are open"

Noun

1 a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open" [syn: clear]
2 where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open" [syn: outdoors, out-of-doors, open air]
3 a tournament in which both professionals and amateurs may play
4 information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface" [syn: surface]

Verb

1 cause to open or to become open; "Mary opened the car door" [syn: open up] [ant: close]
2 start to operate or function or cause to start operating or functioning; "open a business" [syn: open up] [ant: close]
3 become open; "The door opened" [syn: open up] [ant: close]
4 begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech" [ant: close]
5 spread out or open from a closed or folded state; "open the map"; "spread your arms" [syn: unfold, spread, spread out] [ant: fold]
6 make available; "This opens up new possibilities" [syn: open up]
7 become available; "an opportunity opened up" [syn: open up]
8 have an opening or passage or outlet; "The bedrooms open into the hall"
9 make the opening move; "Kasparov opened with a standard opening"
10 afford access to; "the door opens to the patio"; "The French doors give onto a terrace" [syn: afford, give]
11 display the contents of a file or start an application as on a computer [ant: close]

User Contributed Dictionary

English

Pronunciation

  • a RP , /ˈəʊ.pən/, /"@Up@n/
  • a US , /ˈoʊ.pən/, /"oUp@n/
  • Rhymes with: -əʊpən

Etymology

open, from (compare offan), from "up from under, over"

Adjective

  1. Which is not closed; accessible; as, an open gate.
    Turn left after the second open door.
    • 1908, Kenneth Grahame, The Wind in the Willows, Chapter 2
      The open road, the dusty highway...
  2. Actively conducting or prepared to conduct business.
    Banks are not open on bank holidays.
  3. Receptive.
    I am open to new ideas.
  4. Public; as, an open letter, an open declaration.
    He published an open letter to the govenor on a full page of the New York Times.
  5. Candid, ingenuous, not subtle in character:
    The man is an open book.
Derived terms
Antonyms
Translations
not closed
  • Bulgarian: отворен, открит, разтворен
  • Catalan: obert
  • Danish: åben
  • Dutch: open
  • Esperanto: malfermita, aperta
  • Finnish: avoin, avonainen
  • French: ouvert, ouverte, ouverts, ouvertes
  • German: auf, offen
  • Greek: ανοιχτός (anoichtós)
  • Hebrew: פתוח
  • Hungarian: nyílt, nyitott
  • Irish: oscailte, ar oscailt
  • Italian: aperto
  • Kurdish:
  • Latvian: atvērts , atvērta
  • Malayalam: തുറന്ന (thuRanna)
  • Maltese: miftuħ, miftuħa
  • Norwegian: åpen
  • Polish: otwarty, otwarta, otwarte
  • Portuguese: aberto
  • Russian: открытый
  • Slovene: odprt , odprta , odprto
  • Spanish: abierto
  • Swedish: öppen
  • Turkish: açık
  • West Frisian: iepen
prepared to conduct business
  • Bulgarian: отворен
  • Catalan: obert
  • Danish: åben
  • Dutch: open
  • Esperanto: malfermita, aperta
  • Finnish: auki
  • French: ouvert, ouverte, ouverts, oubertes
  • German: offen, geöffnet
  • Greek: ανοιχτός (anoichtós)
  • Hebrew: פתוח
  • Italian: aperto
  • Latvian: atvērts , atvērta
  • Norwegian: åpen
  • Polish: otwarty, otwarta, otwarte
  • Portuguese: aberto
  • Russian: открытый
  • Slovene: odprt , odprta , odprto
  • Spanish: abierto
  • Swedish: öppen
  • Turkish: açık
  • West Frisian: iepen
receptive
  • Bulgarian: отворен, открит, податлив, склонен, непредубеден
  • Catalan: obert
  • Danish: åben
  • Dutch: open
  • Finnish: avoin
  • French: ouvert, ouverte, ouverts, ouvertes
  • German: offen
  • Greek: ανοιχτός (anoichtós)
  • Hebrew: פתוח
  • Italian: aperto
  • Latvian: atvērts , atvērta
  • Norwegian: åpen
  • Polish: otwarty, otwarta, otwarte
  • Portuguese: aberto
  • Russian: открытый
  • Slovene: odprt , odprta
  • Swedish: öppen
public
  • Bulgarian: открит, явен, общодостъпен, неограничен, свободен, обществен, публичен
  • Catalan: obert, lliure
  • Danish: åben
  • Dutch: open
  • Esperanto: publika
  • Finnish: avoin
  • French: ouvert, ouverte, ouverts, ouvertes
  • German: öffentlich
  • Hebrew: פתוח
  • Italian: aperto
  • Norwegian: åpen
  • Polish: otwarty, otwarta, otwarte
  • Russian: открытый
  • Slovene: javen , javna , javno
  • Swedish: öppen
  • West Frisian: iepen

Verb

  1. To make something accessible or removing an obstacle to something being accessible
    Turn the doorknob to open the door.
  2. To bring up (a topic).
    I don't want to open that subject.
  3. To make accessible to customers or clients.
    I will open the shop an hour early tomorrow.
  4. To start (a campaign).
    Vermont will open elk hunting season next week.
  5. To become open.
    The door opened all by itself.
  6. To begin conducting business.
    The shop opens at 9:00.
  7. In the context of "intransitive|cricket": To begin a side's innings as one of the first two batsmen.
  8. In the context of "intransitive|poker": To bet before any other player has in a particular betting round in a game of poker
    After the first two players fold, Julie opens for $5.
  9. In the context of "transitive or intransitive|poker": To reveal one's hand.
    Jeff opens his hand revealing a straight flush.
Antonyms
Translations
to make something accessible
to bring up (a topic)
to make accessible to customers
to start (a campaign)
to become open
to begin conducting business
to begin a side's innings

Noun

  1. A sports event in which anybody can contest; as, the Australian Open.
  2. a wire that is broken midway.
    The electrician found the open in the circuit after a few minutes of testing.
sports event broken wire

Related terms

Anagrams

Dutch

Pronunciation

Adjective

open

Derived terms

Verb form

open
  1. first person singular present tense of openen
  2. imperative form of openen

Finnish

Noun

open

Old English

Etymology

Common Germanic *upanaz

Adjective

open
  1. open

Extensive Definition

Open may refer to:
In philosophy
  • Openness, term being used to define the basis of how various groups and organizations operate.
In mathematics
In music:
In other fields:
open in German: Offen
open in Spanish: Abierto
open in French: Ouvert
open in Portuguese: Aberto (desambiguação)

Synonyms, Antonyms and Related Words

Spartan, abandoned, aboveboard, absolute, accented, acceptable, accessible, activate, admissible, admissive, admissory, adumbrate, advertise, affirmed, afford, agape, agreeable, air, ajar, aloof, altruistic, alveolar, ambiguous, amenable, amiable, announce, announced, apical, apico-alveolar, apico-dental, apparent, approachable, appropriate, arguable, articulated, artless, ascetic, assimilated, at issue, attainable, austere, authentic, available, back, bald, bare, barytone, be a gas, be a hit, begin, beholdable, beneficent, bighearted, bilabial, bill, billow, blatant, bluff, blunt, bomb, bona fide, born yesterday, bounteous, bountiful, branch, branch out, brazen, breach, break, break the seal, bring out, bring to light, broach, broad, broadcast, broken, brought to notice, brusque, cacuminal, campestral, campestrian, candid, central, cerebral, champaign, charitable, check, checked, childlike, chink, circulated, clear, cleared, cleave, close, come-at-able, commence, common, common knowledge, common property, commonplace, communicate, communicative, conditional, conditioned, confiding, consonant, consonantal, conspicuous, contingent, continuant, contribute, conversable, cordial, cover, crack, crevasse, current, cut, cut apart, cut open, debatable, declared, dehiscent, deltoid, demonstrative, dental, denuded, dependent, depending, deploy, deserted, detached, detectable, develop, diffused, dilate, direct, discernible, disclose, disclosed, disconnected, discontinuous, discover, discrete, dismask, dispart, disperse, display, disposed, disrupt, disseminated, dissimilated, distend, distributed, ditch, divaricate, divide, divulge, dorsal, downright, dramatize, draw the veil, dry, dubious, dubitable, dull, effusive, embark, employable, equivocal, establish, evident, exhibit, expand, expansive, explain, explicit, expose, exposed, exposed to view, extend, extended, extensive, extroverted, fail, fair, fair and square, fan, fan out, fan-shape, fan-shaped, fanlike, fanned, fanning, feature, findable, fissure, fit, flabelliform, flagrant, flare, flared, flaring, flat, flexible, flop, fly open, forsaken, forthright, foursquare, fracture, frank, frankhearted, free, free hand, free-acting, free-going, free-moving, free-speaking, free-spoken, free-tongued, freehanded, freehearted, friendly, front, full, furnish, furrow, gap, gaping, gapped, gash, generous, genial, genuine, get, get going, get under way, getatable, gettable, giving, glaring, glide, glossal, glottal, godforsaken, good-faith, gossipy, gracious, greathearted, groove, guileless, guttural, handsome, hanging out, hard, headline, heart-to-heart, hearty, heavy, high, hint, hole, homely, homespun, honest, hospitable, humanitarian, idle, illimitable, imbibitory, impart, impressionable, in circulation, in evidence, in full view, in plain sight, in print, in question, in suspense, in the balance, in view, inaugurate, incise, inclined, incoherent, inconsistent, indecisive, influenceable, ingenu, ingenuous, ingestive, initiate, innocent, insight, intonated, introduce, intromissive, intromittent, invitatory, inviting, kick off, labial, labiodental, labiovelar, large, largehearted, lateral, launch, lavish, lax, lay bare, lay open, lean, leisure, leisured, let daylight in, let out, liable, liberal, light, limitless, lingual, liquid, low, made public, magnanimous, make a hit, make known, make plain, malleable, manifest, mantle, matter-of-fact, melodramatize, mid, monophthongal, moot, mount, movable, munificent, muted, naive, naked, narrow, nasal, nasalized, natural, navigable, neat, neighborly, newsy, no strings, nonadherent, nonadhesive, noncoherent, noncohesive, nonimmune, noticeable, obnoxious, observable, obtainable, obvious, occlusive, offer, on the level, on the square, on the up-and-up, ope, open a show, open air, open and aboveboard, open as day, open fire, open to, open to all, open to view, open up, open-handed, open-minded, openhanded, openhearted, operative, out-of-doors, outcropping, outdoors, outgoing, outland, outside, outspoken, outspread, outstretch, outstretched, overgrow, overrun, overspread, overt, oxytone, palatal, palatalized, palpable, part, passable, patent, patulous, peeled, pendent, pending, penetrable, perceivable, perceptible, perfect, perforate, persuadable, persuasible, pervious, pharyngeal, pharyngealized, phonemic, phonetic, phonic, pierce, pitch, pitched, plain, plain-speaking, plain-spoken, plastic, pleasing, plenary, pliable, pliant, posttonic, practicable, predisposed, premiere, present, preview, princely, problematic, proclaimed, procurable, produce, profuse, prone, propagated, proper, prosaic, prosing, provide, public, publish, published, pull out, pure, put on, raise, raise the curtain, ramify, reachable, receivable, receptible, receptive, recipient, recognizable, release, rent, reported, responsive, retired, retroflex, reveal, revealed, rift, ringent, rip, rive, roomy, round, rounded, rupture, rustic, scenarize, securable, seeable, self-revealing, self-revelatory, semiretired, semivowel, sensitive, separate, set in motion, set the stage, set up, severe, shadow, show, show forth, show up, showing, simple, simple-speaking, simplehearted, simpleminded, sincere, single-hearted, single-minded, sit, slash, slit, slot, sober, sociable, soft, sonant, spacious, spare, splay, splayed, splaying, split, spraddle, spraddled, spraddling, sprangle, sprangled, sprangling, sprawl, sprawling, sprawly, spread, spread like wildfire, spread out, spreading, spring open, square, square-dealing, square-shooting, stage, star, stark, start, stated, stintless, stopped, straight, straight-out, straight-shooting, straightforward, stressed, stretch out, stretched-out, strip bare, stripped, strong, suasible, subject, succeed, suggest, suggestible, suitable, surd, susceptible, suspenseful, swayable, swell, swing open, syllabic, talkative, tap, tear, tear open, telecast, televised, tenantless, tense, tenuous, the open, the out-of-doors, theatricalize, thick, throaty, throw open, to be had, to be seen, tonal, tonic, transparent, trench, trustful, trusting, try out, twangy, unaccented, unadhesive, unadorned, unaffected, unbar, unbarred, unblock, unblocked, unbolt, unbolted, unbooked, unbound, unbounded, uncertain, unchecked, uncircumscribed, unclassified, uncloak, unclog, unclogged, unclosed, unclothe, unclouded, uncluttered, uncoherent, uncohesive, uncommitted, unconcealed, unconditional, unconditioned, unconfined, unconnected, unconstrained, uncork, uncounted, uncover, uncovered, undecided, undefended, undetermined, undisguised, undissembled, undissembling, undo, undrape, unencumbered, unequivocal, unestablished, unfasten, unfastened, unfilled, unfixed, unfold, unfolded, unfortified, unfurl, ungrudging, unguarded, unhampered, unhidden, unhindered, unimaginative, unimpeded, uninhabited, uninhibited, unjoined, unkennel, unlatch, unlimited, unlock, unlocked, unmanned, unmask, unmeasured, unobstructed, unoccupied, unpack, unpeopled, unpopulated, unprotected, unqualified, unrepressed, unreserved, unresolved, unrestrained, unrestricted, unreticent, unroll, unrounded, unscheduled, unscreen, unseal, unsealed, unsecretive, unselfish, unsettled, unsheathe, unsheltered, unshrinking, unshroud, unshut, unsigned, unsilent, unsophisticated, unsparing, unstaffed, unstinted, unstinting, unstop, unstopped, unstressed, unsuppressed, unsuspicious, untaken, untenacious, untenanted, untended, untie, untold, unvarnished, unveil, unwary, unwrap, up for grabs, up-and-up, usable, vacant, velar, veritable, viewable, visible, visual, vocalic, vocoid, voiced, voiceless, vowel, vowellike, warm, warmhearted, weak, welcoming, well-known, wide, wide open, wide-open, widely known, widen, widespread, willing, within reach, without, without strings, witnessable, yawning, yield
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