from time to time Synonyms

now and then once in a while now and again at times on occasion time to time occasionally every now and then on the odd occasion almost never not often spasmodically once or twice once in a blue moon hardly ever from case to case not regularly not always every now and again on occasions ever so often at one time or another not very often few times in a few cases once and again on and off sporadically sometimes seldom rarely periodically irregularly interruptedly intermittently at random by fits and starts off and on every so often every once in a while ever and anon ever and again erratically discontinuously at intervals infrequently