On And Off

مترادف و متضاد on and off

1. adverb intermittently, happening or existing only some of the time
   Synonyms: at intervals, at times, discontinuously, every now and then, every once in a while, every so often, from time to time, hardly, infrequently, intermittently, irregularly, now and again, now and then, occasionally, off and on, once in a blue moon, once in a while, on occasion, periodically, sometimes, sporadically
2. adjective, adverb intermittent
   Synonyms: alternately, at irregular intervals, fluctuating, inconstantly, infrequently, intermittently, irregularly, not often, now and then, off and on, on-and-off, sometimes, sporadically, uncertainly, variable, very seldom, when the mood strikes