adj. 25B6; adjective
Kate's off today : AWAY, absent, unavailable, not at work, off duty, on holiday, on leave; free, at leisure; N. Amer. on vacation.
the game's off : CANCELLED, postponed, called off.
strawberries are off : UNAVAILABLE, finished, sold out.
the fish was a bit off : ROTTEN, bad, stale, mouldy, high, sour, rancid, turned, spoiled, putrid, putrescent.
(Brit. informal) I felt decidedly off. : See off colour sense 1.
(Brit. informal) that remark was a bit off : UNFAIR, unjust, uncalled for, below the belt, unjustified, unjustifiable, unreasonable, unwarranted, unnecessary; informal a bit much; Brit. informal out of order.
(Brit. informal) he was really off with me : UNFRIENDLY, aloof, cool, cold, distant, frosty; informal stand-offish.
25A0; off and on PERIODICALLY, at intervals, on and off, (every) once in a while, every so often, (every) now and then/again, from time to time, occasionally, sometimes, intermittently, irregularly.