2
inefficient(adjective, inexpedient)
2
malicious(adjective, cruel, unkind, upsetting, injurious)
2
mean(adjective, person, cruel, unfriendly, unkind)
2
mistimed(adjective, inexpedient)
2
nasty(adjective, person, cruel, unfriendly, unkind)
2
on the debit side(expression, adjective, idiom, damaging, detrimental)
2
poisonous(cruel, unkind, distressing, upsetting, harmful)
2
poor(adjective, negative, hostile, troublesome, disapproving)
2
ruinous(adjective, negative, distressing, harmful, injurious)
2
undesirable(adjective, inexpedience, inexpedient)
2
unfortunate(negative, hostile, unfriendly, antagonistic, contrary)
2
unhelpful(adjective, damaging, hurtful, detrimental, arouse bad emotions)
2
unkind(adjective, person, cruel, unfriendly, upsetting)
2
unpromising(negative, disapproving, uncomplimentary)
2
unpropitious(negative, hostile, unfriendly, antagonistic, contrary)
2
untoward(adjective, help, negative, disapproving, uncomplimentary)
2
unwholesome(injurious, damaging, destructive)
2
upsetting(adjective, cruel, unkind, disturbing, disconcerting)
2
virulent(injurious, damaging, destructive)
2
worthless(adjective, weak, stupid, idle, incompetent)
10 years ago|11k views|share |citing 
APASmart Define. (2016). disadvantageous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/disadvantageous/thesaurus/synonyms
ChicagoSmart Define. 2016. "disadvantageous thesaurus" https://smartdefine.org/disadvantageous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, disadvantageous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/disadvantageous/thesaurus/synonyms>.
MLASmart Define. "disadvantageous thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/disadvantageous/thesaurus/synonyms>