Not frequent; not occurring regularly or at short intervals.

Roget 103: few; scant, scanty; thin, rare, scattered, thinly scattered, spotty, few and far between, exiguous; infrequent etc. 137; rari nantes [Lat.]; hardly any, scarcely any; to be counted on one's fingers; reduced etc. v.; unrepeated^†.    ... show more

Roget 137: unfrequent^†, infrequent; rare, rare as a blue diamond; few etc. 103; scarce; almost unheard of, unprecedented, which has not occurred within the memory of the which has not occurred within the memory of the oldest inhabitant, not within one's previous experience; not since Adam^†.    scarce as hen's teeth; one in a million; few and far between.    ... show more