Synonyms for Out:

adj.

absent (adjective)
absent, abstract, away, departed, elsewhere, empty, gone, lacking, missing, no-show, nonexistent, truant, vacant, void, wanting, Omitted.
asleep (adjective)
comatose, out cold.
broken (adjective)
gone.
comatose (adjective)
insensible.
erroneous (adjective)
inaccurate.
inappropriate (adjective)
improper, inapposite, inappropriate, inapt, malapropos, unbecoming, unbefitting, unfit, unsuitable, unsuited, ill-matched, of place.
open (adjective)
ajar, open, wide, wide-open.
out (adjective)
absent, antiquated, away, dated, ended, exhausted, finished, outmoded, outside, unfashionable, at an end.
wrong (adjective)
incorrect.

adv

completely (adverb)
completely, totally, utterly.

adv.

aside (adverb)
apart, down.
out (adverb)
Without, out of doors.

n.

back, backward, in, onward, up, Against, From, out of. about, across, after, ahead, along, apart, around, before, external, extrinsic, inside, open, outdoors, outside, within, Without, out of doors. accomplished, done, ended, finished, fulfilled, known, over, overt, public, transparent, unclassified, unfinished, unwritten, Unaccomplished, in the public domain. action, busy, collective bargaining, direct action, go-slow, left, Receiving, cooling-off period, general strike, grievance procedure, industrial action, go out on strike. betray, disclose, down, give away, leak, offload, put out, retired, reveal, tell, spill the beans, lay something bare, let (it) slip. far, inaccessible, isolated, lonely, outermost, outlying, remote. clear, close, competing, equal, level, out-of-date, outmoded, position, unopposed, unpopular, old fashioned, close-run. completely, entirely, outdoor, the open air, with great effort. break, cause, come to light, excuse, get out, ground, knowledge, motivation, motive, occasion, point, pretext, reason, show, transpire, in justification of something. deafening, loud, noisy, piercing, resounding, riotous, shrill, uproarious, Ear-splitting, can't hear yourself think. analog, automatic, automatically, auxiliary, broken, built, clean, clever, clockwork, cordless. anymore, complete, completed, exhausted, past, through, at an end, mission accomplished. approximate, approximately, broadly, imprecise, inaccurate, incorrect, inexact, questionable, roughly, wrong. all the way, further, little, long, long-distance. apolitical, bipartisan, coalition, dissident, front, independent, liberal, ministerial, nationalist, the faithful. apparent, distinct, identifiable, manifest, noticeable, obvious, perceptible, plain, visible. asleep, comatose, fast asleep, semiconscious, sound asleep, under, out cold, out for the count. at-bat, balk, ball, ball boy, ballpark, base, baseball, baseline, batboy, ball girl. ankle, backbone, ball-and-socket joint, bone, bone marrow, breastbone, cheekbone, clavicle, coccyx, collarbone. bail, bail out, break out, breakout, discharge, escaped, escapee, free, bust out. bi, heterosexual, closeted, GLBT, fag hag. burn down, burn out, die, dying, unlit, go out. course, current, drip, ebb, eddy, flow, flush, maelstrom. hardly, impossibility, no-go, possibly, unbelievable, be out of the question, something will not work/start/open etc., with the best will in the world. for sale, upcoming, on the market, on offer, hit the town/street, etc., on the open market. argument (noun)
bone.
beyond (noun)
beyond, distant, removed.
escape (noun)
break, breakout.
old fashioned (noun)
antiquated, archaic, dated, low-tech, obsolete, old-time, primitive, Old World.
out (noun)
away, come out, come out of the closet, out of fashion, outer, unfashionable, unstylish.
unconscious (noun)
insensible, unconscious.

v.

come out (verb)
get out, transpire.
communication (verb)
come out.

Other synonyms:

comatose, known, long-distance, outdoor, overt, semiconscious, transparent, unclassified, unlit, unopposed, unwritten, old fashioned, out of doors, close-run, the open air. asleep, burn down, competing, dying, external, insensible, outside, public, transpire, upcoming. equal, little, position, within. beyond, die, leak. burn out. apart, level, under, Against, From. far, further. clear, close, go out. long. break. come out
transpire.
old fashioned
archaic, dated, low-tech, obsolete, old-time, primitive, Old World.
outside
Without.
Other relevant words:
accomplished, ahead, along, antiquated, apart, apparent, archaic, asleep, betray, beyond, break, broken, clear, comatose, come out, come out of the closet, come to light, completed, completely, dated, disclose, distant, down, dying, ended, entirely, excuse, exhausted, external, extrinsic, fast asleep, finished, free, fulfilled, further, get out, inaccurate, incorrect, insensible, leak, little, long, low-tech, manifest, obsolete, old-time, onward, open, out-of-date, outdoor, outdoors, outer, outermost, outlying, outmoded, outside, over, overt, past, public, put out, removed, retired, reveal, semiconscious, show, sound asleep, totally, transpire, unconscious, unfashionable, unlit, unopposed, unpopular, unstylish, up, upcoming, utterly, visible, wide, wrong, Against, From, Without, old fashioned, out of, close-run, out cold, at an end.

Usage examples for out

  1. Why should I go out to wait for you? – The Exemplary Novels of Cervantes by Miguel de Cervantes Saavedra
  2. You can soon find out about him. – The Triumph of Hilary Blachland by Bertram Mitford
  3. Is there any way out of this? – The Boys of Bellwood School by Frank V. Webster