Synonyms and related words :
at infrequent intervals, at intervals, brokenly, by catches, by fits, by jerks, by skips, by snatches, disconnectedly, discontinuously, exceptionally, exiguously, fitfully, haphazardly, hardly, hardly ever, here and there, in places, in spots, intermittently, irregularly, little, meagerly, not often, now and then, occasionally, on occasion, per saltum, piddlingly, randomly, rarely, scantily, scarcely, scarcely ever, scrimpily, seldom, skimpily, skippingly, sparsely, sparsim, sporadically, spottily, stingily, uncommonly, unfrequently, unoften, very seldom, willy-nilly