(adv.) In a sporadic manner.

at haphazard at intervals at irregular intervals at large at random brokenly by catches by chance by fits by jerks by snatches capriciously carelessly chaotically desultorily diffusely disconnectedly discontinuously dispersedly eccentrically erratically every which way everywhere fitfully haltingly haphazardly helter-skelter here and there higgledy-piggledy hit or miss impulsively in all quarters in places in snatches in spots inconsistently inconstantly indiscriminately infrequently intermittently irregularly jerkily lurchingly nonuniformly off and on on occasion passim patchily promiscuously randomly roughly sloppily sparsely sparsim spasmodically spottily throughout uncertainly uncommonly unequally unevenly unmethodically unpredictably unrhythmically unsteadily unsystematically ununiformly variably wherever you look whimsically wobblingly