open

open

adjective

Definition of 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, open, sensitive, subject (to), susceptible, vulnerable

Related Words likely, prone; uncovered, undefended, unguarded, unprotected, unscreened, unsecured

Near Antonyms covered, guarded, protected, safeguarded, screened, secured, sheltered, shielded, warded

Antonyms 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, open, openhearted, out-front, outspoken, plain, plainspoken, straight, straightforward, unguarded, unreserved, up-front

Related Words artless, earnest, guileless, ingenuous, innocent, naive (or na{iuml}ve), 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, unsubtle

Near Antonyms inhibited, reserved, restrained; close-mouthed, laconic, quiet, reticent, taciturn, tight-lipped, uncommunicative; ambiguous, circuitous, equivocal, evasive; diplomatic, politic, tactful; civil, considerate, courteous, polite

Antonyms dissembling, uncandid, unforthcoming

5

lacking a usual or natural covering <open wounds in his legs>

Synonyms bald, bare, denuded, exposed, open, peeled, stripped, uncovered

Related Words displayed, revealed; hairless, shaven; disrobed, unclad, unclothed, undressed; furless, skinned; divested; unprotected

Near Antonyms mantled; overgrown, overrun, overspread; bearded, hairy

Antonyms covered

6

not known by only a select few <the two boxers have an open dislike for each other>

Synonyms open

Related 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, rumored

Near Antonyms classified; unadvertised, unannounced, undisclosed; clandestine, collusive, conspiratorial, covert; surreptitious, undercover, underhand, underhanded; intimate, personal; concealed, repressed, reserved, silenced, stifled, suppressed, withheld; recanted, retracted, revoked

Antonyms confidential, private, privy, secret

7

not yet settled or decided <that issue will have to remain open until the supervisor can decide>

Synonyms open, undecided, undetermined, unresolved, unsettled

Related Words hanging; arguable, debatable, disputable, moot, uncertain, unsure

Near Antonyms confirmed, established; certain, sure

Antonyms 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, receptive

Related Words impartial, neutral, objective, unbiased, unprejudiced; easygoing, nonjudgmental, tolerant; calm, detached, dispassionate; amenable, compliant; impressionable, suggestible, susceptible; persuadable, persuasible

Near Antonyms biased, narrow, one-sided, partial, partisan, prejudiced; bigoted, intolerant

Antonyms 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, open, openhanded, unselfish, unsparing, unstinting

Related 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, sympathetic

Near Antonyms mean, petty, small; frugal, spare, sparing, thrifty; chary, stinting; acquisitive, avaricious, avid, coveting, covetous, desirous, grasping, hoggish, itchy, mercenary, rapacious; begrudging, envious, grudging, resentful

Antonyms cheap, close, closefisted, costive, illiberal [archaic], mingy, miserly, niggardly, parsimonious, penurious, selfish, stingy, stinting, tight, tightfisted, uncharitable, ungenerous