adverb
1.
Synonyms: seldom , hardly ever, little, rarely, unfrequently, unoften
Antonyms: frequently
2.
Synonyms: occasionally , irregularly, on occasion, sporadically, uncommonly
Antonyms: frequently
adverb
1.
Synonyms: seldom , hardly ever, little, rarely, unfrequently, unoften
Antonyms: frequently
2.
Synonyms: occasionally , irregularly, on occasion, sporadically, uncommonly
Antonyms: frequently
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003