1 outside, outdoors, in or into the open air:
If you go out take an umbrella.
2 away (from), abroad, elsewhere, not (at) home, gone (from), gone away (from), absent (from):
She was out of the house when I phoned.
3 in or into the open, to or into public notice, for all to see, out of the closet:
Everything will be brought out at the trial.
4 revealed, exposed, visible, discernible, manifest, in sight, in view:
Are the stars out tonight?
5 short, minus, missing, in default, out of pocket:
He is out the $2000 he invested in a Welsh diamond mine.
6 free, at liberty, at large, loose, unconfined:
They let Matilda out after she served her sentence.
7 completely, thoroughly, effectively, entirely:
I was tired out after that long swim.
8 unconscious, senseless, insensible, Colloq out cold, out like a light:
He has been out for almost an hour.
9 dated, out-dated, out-moded, passé, old-fashioned, antiquated, old hat, démodé, obsolete, unfashionable:
Longer skirts were out in the mid-1960s.
10 outlying, distant, far-off, peripheral:
He was planning to travel to the outer reaches of his empire. Let's sail to some of the out islands
11 exhausted, gone, finished, ended; over, completed:
Our food was out. Rescue came before the day was out.
12 inaccurate, incorrect, wrong, at fault, faulty, off, wide of the mark:
Your figures are out by a factor of four.
13 unacceptable, forbidden, prohibited, not allowed, Colloq not on:
Smoking is out in the dining room.
14 extinguished, unlit; off, doused; inoperative, non-functioning, out of order or commission, unserviceable, broken:
Make certain that all camp-fires are completely out. The light is out in the corridor.
15 alibi, excuse, escape, loophole, evasion:
She used your visit as an out to avoid calling on her mother.