counter-productive Antonyms

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