Home › Words › U › unfrequentunfrequentunfrequent means not frequent; not common; not happening often; infrequent.Among words judged in Lexicurio's Arena, unfrequent ranks #454 of 42,762 for Qualifying.EtymologyFrom un- (not) + frequent.adjNot frequent; not common; not happening often; infrequent.e.g.“He was labouring under a pleurisy, which is not unfrequent in the mountainous region, at this season.” — 1827, George Tucker, A Voyage to the Moon:verbTo stop frequenting; cease to frequent.Definitions & examples from Wiktionary (CC BY-SA 3.0).