counterproductive Antonyms

unhazardous valuable utilitarian useful unprejudiced unoffensive unexceptionable unbiased tonic tiptop tame successful sanitary salutary ripping profitable worthful worthwhile unpolluted riskless risk-free prizewinning organised well-disposed nonviolent nonvenomous nonlethal noninfectious nonfatal non-poisonous meaningful applaudable nifty unoffending productive potent efficacious effectual effective dynamite crowning constructive concentrated class certified beneficial benefic behooveful banner anodyne