THESAURUS
spasmodically
at haphazard, at intervals, at irregular intervals, at random, brokenly, by catches, by chance, by fits, by jerks, by snatches, capriciously, carelessly, chaotically, desultorily, disconnectedly, discontinuously, eccentrically, erratically, every which way, fitfully, flutteringly, haltingly, haphazardly, helter-skelter, higgledy-piggledy, hit or miss, impulsively, in snatches, in spots, inconsistently, inconstantly, indiscriminately, intermittently, irregularly, jerkily, lurchingly, nonuniformly, off and on, patchily, promiscuously, quakingly, quaveringly, quiveringly, randomly, roughly, saltatorily, shakily, shudderingly, sloppily, sporadically, spottily, tremblingly, tremulously, uncertainly, unequally, unevenly, unmethodically, unpredictably, unrhythmically, unsteadily, unsystematically, ununiformly, variably, waveringly, whimsically, wobblingly
