frequently Antonyms

infrequently rarely occasionally not regularly on and off off and on in fits and starts every so often every once in a while erratically episodically at no time For the first time uncommonly unusually no longer never again once in a blue moon paradoxically weirdly not always on occasions not very often on no occasion almost never very rarely on the odd occasion in some cases hardly ever every now and then unsystematically uniquely unevenly miraculously by fits and starts seldom randomly profoundly periodically never little irregularly intriguingly inconsistently desultorily confoundedly apiece accidentally sometimes sporadically