purposefully Antonyms

accidentally by guess or by golly by guess or by gosh unconsciously meaninglessly for no reason at haphazard by coincidence by guess and by golly by haphazard by lot by the seat of one's pants by the seat of your pants at an easy rate by guess or by God by accident before you can say knife arbitrarily casually desultorily randomly by chance against the clock aimlessly at random every which way haphazardly by mistake full throttle full bore before the ink is dry