adv. 25B6; adverb OCCASIONALLY, from time to time, now and then, every so often, once in a while, on occasion, at times, off and on, at intervals, periodically, sporadically, spasmodically, intermittently.
SOMETIMES
Meaning of SOMETIMES in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012