Infrequent

مترادف و متضاد infrequent

1. adjective not happening regularly
   Synonyms: exceptional, few, few and far between, isolated, limited, meager, occasional, odd, rare, scant, scanty, scarce, scattered, seldom, semioccasional, sparse, spasmodic, sporadic, stray, uncommon, unusual
   Antonyms: common, frequent, often, usual