- Definitions|2
- Thesaurus|2.7k
- Abbreviations|0
| unconstructive | |
| unhappy(bad, poor, unpleasant, awkward, inappropriate) | |
| unhealthy(adjective, distressing, harmful, injurious, damaging) | |
| unkind(adjective, person, mean, bad, wrong) | |
| unsafe(injurious, damaging, destructive) | |
| unsociable(adjective, person, mean, nasty, unfriendly) | |
| unsympathetic(adjective, mean, nasty, unpleasant, unfriendly) | |
| warlike(adjective, mean, nasty, unfriendly, hateful) | |
| wayward(adjective, negative, hostile, different, conflicting) | |
| wearying(adjective, difficult) | |
| woeful | |
| abominable(bad, disgusting, vile, revolting, repulsive) | |
| adversity(noun, adversity) | |
| adversive | |
| afflicted(adjective, bad, poor, unhappy, awkward) | |
| alarming(adjective, arouse bad emotions) | |
| allergic to(expression, adjective, hostile, antagonistic, contrary) | |
| aloof(adjective, person, unfriendly) | |
| ambiguous | |
| amiss |
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| APA | Smart Define. (2016). adverse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/adverse/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "adverse thesaurus" https://smartdefine.org/adverse/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, adverse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/adverse/thesaurus/synonyms>. |
| MLA | Smart Define. "adverse thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/adverse/thesaurus/synonyms> |