now and again Synonyms

at times from time to time now and then on occasion occasionally once and again on and off once in a blue moon off and on fitfully every so often from case to case once in a way once in awhile every now and again on occasions ever so often not often on the odd occasion every now and then time to time spasmodically every once in a while ever and anon hardly infrequently intermittently interruptedly irregularly periodically seldom sometimes sporadically haphazardly once in a while by fits and starts here and there discontinuously erratically ever and again betimes