periodically Synonyms

sporadically ever and anon episodically discontinuously cyclically routinely every now and again at intervals by fits and starts once in a while on occasion now and then every once in a while every so often off and on on occasions on the odd occasion many times every now and then viscerally spasmodically seasonally recurrently once or twice once in a blue moon on and off now and again from time to time often occasionally irregularly interruptedly intermittently infrequently frequently evenly continually constantly betimes periodic periodical at times at random chronically systematically steadily sometimes serially rhythmically repeatedly