purposely Antonyms

accidentally by accident by guess or by God by guess or by golly by guess or by gosh unconsciously for some reason unwittingly 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 in a disorganized manner against one's better judgment by mistake arbitrarily circumstantially impulsively instinctively involuntarily randomly by chance unexpectedly unintentionally incidentally inadvertently aimlessly at random every which way haphazardly unknowingly in a haphazard way