counter-productive Antonyms

risk-free valuable utilitarian unprejudiced unexceptionable unbiased tonic tame sanitary worthful worthwhile nonviolent nonvenomous nonlethal noninfectious nonfatal non-poisonous unoffending unpolluted salutary profitable productive gainful fruitful efficacious beneficial benefic behooveful anodyne advisable healful helpful opportune operant nutritious nourishing nontoxic instrumental innoxious hurtless advantageous