Synonyms and related words :
at haphazard, at intervals, at irregular intervals, at random, brokenly, by catches, by chance, by fits, by jerks, by snatches, capriciously, carelessly, chaotically, choppily, desultorily, disconnectedly, discontinuously, eccentrically, erratically, every which way, fitfully, haltingly, haphazardly, helter-skelter, higgledy-piggledy, hit or miss, impulsively, in snatches, in spots, in the rough, inconsistently, inconstantly, indiscriminately, infrequently, intermittently, jaggedly, jerkily, lurchingly, nonuniformly, off and on, on, patchily, promiscuously, raggedly, randomly, rough, roughly, sloppily, spasmodically, sporadically, spottily, uncertainly, uncommonly, unequally, unevenly, unmethodically, unpredictably, unrhythmically, unsteadily, unsystematically, ununiformly, variably, whimsically, wobblingly