continuously Antonyms

at once at times from time to time now and again now and then on occasion once in a while by fits and starts all of the sudden at random like a shot suddenly by chance unexpectedly against the clock aggressively all of a sudden of a sudden surprisingly at intervals at one stroke cold turkey unevenly unsystematically every now and then hardly ever in some cases on the odd occasion on occasions not always treacherously patchily discontinuously episodically every once in a while every so often out of the blue lightning fast off and on on and off not regularly instantaneously abruptly finitely fleetingly hastily immediately inconsistently instantly intermittently