open

1 allowing passage without obstruction thank you for clearing out the hallway so that it's open again Synonyms clear, cleared, free, unclogged, unclosed, unobstructed, unstopped Related Words enterable, navigable, passable; emptied, empty, unoccupied, vacant; exposed, revealed; gaping, wide, yawning; unbarred, unbolted, unclasped, unfastened, unlatched, unlocked, unsealed; unbuttoned, unclenched, unfolded, unfurled, unzipped Near Antonyms impassable (also impassible); constricted, cramped, encumbered, hampered, hindered, impeded, interfered (with), trammeled (or trammelled); barricaded, blockaded, dammed, gated Antonyms blocked, clogged, closed, jammed, obstructed, plugged, shut, stopped, stuffed, uncleared

2 freely available for use or participation by all the lanes at the bowling alley will be open during the afternoon, but will be available only for league play in the evening Synonyms free-for-all, public, unrestricted Related Words collective, common, communal, shared; accessible, available, free; unregulated, unreserved Near Antonyms limited; inaccessible, unavailable Antonyms closed, exclusive, off-limits, private, restricted

3 being in a situation where one is likely to meet with harm the country's open to invasion if its borders remain unguarded Synonyms endangered, exposed, liable, sensitive, subject (to), susceptible, vulnerableRelated Words likely, prone; uncovered, undefended, unguarded, unprotected, unscreened, unsecuredNear Antonyms covered, guarded, protected, safeguarded, screened, secured, sheltered, shielded, wardedAntonyms insusceptible, invulnerable, unexposed, unsusceptible

4 free in expressing one's true feelings and opinions a talkative and open child who tells people more than they want to know Synonyms candid, direct, forthcoming, forthright, foursquare, freehearted, free-spoken, honest, frank, openhearted, out-front, outspoken, plain, plainspoken, straight, straightforward, unguarded, unreserved, up-frontRelated Words artless, earnest, guileless, ingenuous, innocent, naive (or naïve), natural, real, sincere, unaffected, undesigning, unpretending, unpretentious; outgoing, uninhibited, unrestrained; vocal, vociferous; abrupt, bluff, blunt, brusque (also brusk), crusty, curt, gruff, sharp; impertinent, impolite, inconsiderate, rude, tactless, thoughtless, uncivil, undiplomatic, ungracious, unmannerly, unsubtleNear Antonyms inhibited, reserved, restrained; close-mouthed, laconic, quiet, reticent, taciturn, tight-lipped, uncommunicative; ambiguous, circuitous, equivocal, evasive; diplomatic, politic, tactful; civil, considerate, courteous, politeAntonyms dissembling, uncandid, unforthcoming

5 lacking a usual or natural covering open wounds in his legs Synonyms bald, bare, denuded, exposed, naked, peeled, stripped, uncoveredRelated Words displayed, revealed; hairless, shaven; disrobed, unclad, unclothed, undressed; furless, skinned; divested; unprotectedNear Antonyms mantled; overgrown, overrun, overspread; bearded, hairyAntonyms covered

6 not known by only a select few the two boxers have an open dislike for each other Synonyms publicRelated Words general, popular; nonclassified, unclassified, well-known; advertised, aired, announced, broadcast, declared, disclosed, divulged, heralded, posted, proclaimed, promulgated, publicized, published, spotlighted; current, prevalent, rife, widespread; communal, shared; reported, reputed, rumoredNear Antonyms classified; unadvertised, unannounced, undisclosed; clandestine, collusive, conspiratorial, covert; surreptitious, undercover, underhand, underhanded; intimate, personal; concealed, repressed, reserved, silenced, stifled, suppressed, withheld; recanted, retracted, revokedAntonyms confidential, private, privy, secret

7 not yet settled or decided that issue will have to remain open until the supervisor can decide Synonyms pending, undecided, undetermined, unresolved, unsettledRelated Words hanging; arguable, debatable, disputable, moot, uncertain, unsureNear Antonyms confirmed, established; certain, sureAntonyms decided, determined, resolved, settled

8 willing to consider new or different ideas she is always open and ready to listen to anyone's suggestions Synonyms broad-minded, open-minded, receptiveRelated Words impartial, neutral, objective, unbiased, unprejudiced; easygoing, nonjudgmental, tolerant; calm, detached, dispassionate; amenable, compliant; impressionable, suggestible, susceptible; persuadable, persuasibleNear Antonyms biased, narrow, one-sided, partial, partisan, prejudiced; bigoted, intolerantAntonyms narrow-minded, unreceptive

9 giving or sharing in abundance and without hesitation he's very open with his opinions, many of which are not welcome Synonyms bighearted, bounteous, bountiful, charitable, free, freehanded, freehearted, fulsome, liberal, munificent, generous, openhanded, unselfish, unsparing, unstintingRelated Words extravagant, handsome, lavish, overgenerous, profuse; altruistic, beneficent, benevolent, hospitable, humanitarian, philanthropic (also philanthropical); big, greathearted, largehearted, magnanimous, openhearted; compassionate, good-hearted, kind, kindly, samaritan, sympatheticNear Antonyms mean, petty, small; frugal, spare, sparing, thrifty; chary, stinting; acquisitive, avaricious, avid, coveting, covetous, desirous, grasping, hoggish, itchy, mercenary, rapacious; begrudging, envious, grudging, resentfulAntonyms cheap, close, closefisted, costive, illiberal [archaic], mingy, miserly, niggardly, parsimonious, penurious, selfish, stingy, stinting, tight, tightfisted, uncharitable, ungenerous

that part of the physical world that is removed from human habitation a daguerreotype of a cowboy whose face is roughened from a hard life in the open Synonyms nature, open air, outdoors, out-of-doors, wild, wildernessRelated Words backwoods, bush, country, frontier, hinterland, sticks, up-country; outside, without; badland, barren, desert, waste, wasteland

1 to change from a closed to an open position please open the door to let the cat out Synonyms unclose Related Words unbar, unbolt, unclasp, unfasten, unlatch, unlock; unbutton, unclench, unfold, unfurl, unzip; disengage, release, slip Near Antonyms bar, bolt, clasp, fasten, latch, lock; button (up), zip (up) Antonyms close, shut

2 to make passage through (something) possible by removing obstructions we need to open this drain that's clogged with hair Synonyms clear, free, unclog, unplug, unstop Related Words ease, facilitate, loosen (up), smooth Near Antonyms constrict, encumber, hamper, hinder, impede, interfere (with), obstruct, trammel; barricade, blockade Antonyms block, clog (up), close, dam (up), plug (up), stop

3 to arrange the parts of (something) over a wider area when we got too close, the cardinal opened its wings and flew to a higher branch Synonyms expand, extend, fan (out), flare (out), outspread, outstretch, spread (out), stretch (out), unfold, unfurl Related Words overspread Near Antonyms compact, compress, condense, reduce Antonyms close, contract, fold

4 to rid the surface of (as an area) from things in the way snowplows opened the runway without much trouble Synonyms free, clear, unblockRelated Words ease, facilitate, loosen (up), smooth, unchoke, unclog, unplug, unstop; unclutter; stripNear Antonyms clog, close, dam, obstruct, plug, stop; clutter (up)Antonyms block

5 to take the first step in (a process or course of action) we will open the proceedings tomorrow with a short ceremony Synonyms commence, embark (on or upon), enter (into or upon), fall (to), get off, kick off, launch, lead off, begin, start, strike (into)Related Words create, generate, inaugurate, initiate, innovate, invent, originate; adopt, embrace, take on, take up; establish, father, found, institute, organize, pioneer, set up, spawn; get around (to), get down (to), get round (to)Near Antonyms cease, desist, discontinue, halt, knock off, lay off, quit, stop; close, complete; abandon, forsake, leave; abolish, demolish, destroy, exterminate, extinguish, phase outAntonyms conclude, end, finish, terminate