Synonyms to with no heart

reluctantly, cautiously, circumspectly, crawlingly, creepingly, deliberately, dilatorily, easily, falteringly, gently, grudgingly, haltingly, idly, in low gear, in march time, in slow motion, in slow tempo, indolently, languidly, languorously, leisurely, limpingly, lingeringly, loiteringly, moderately, perfunctorily, pokily, pokingly, relaxedly, slow, slowly, sluggishly, sulkily, sullenly, tarryingly, tentatively, under easy sail, under protest, unhurriedly, with agonizing slowness, with deliberation, with dragging feet