“+ adjective
Etymology: Latin infrequent-, infrequens, from in- in- (I) + frequent-, frequens frequent — more at frequent
1. obsolete : unfrequented
2. : seldom happening or occurring : rare , uncommon
far from being infrequent , the crystalline state is almost universal among solids — K.K.Darrow
3. : placed or occurring at considerable distances or intervals : occasional , sparse
infrequent openings in a wall
• in·fre·quent·ly adverb