Synonyms of counterproductive

1 Syllable
bad
2 Syllables
drossy, evil, biased, nocuous, worthless, unjust, no-good, scrapper, hurtful
3 Syllables
no-account, bigoted, injurious, mischievous, damaging, useless
4 Syllables
inutile, differential, unusable, prejudicial, detrimental, deleterious, inimical, nonfunctional, unfunctional, unusuable
5 Syllables
disadvantageous, unfavorable, counteractive
6 Syllables
discriminatory