25 entries under unusual topic. ×
| artificial(adjective, fake, unreasonable, irregular) | |
| unnatural(adjective, reasonable, unreasonable, regular) | |
| abnormal(adjective, unreasonable, irregular) | |
| affected(verb, adjective, true, unreasonable) | |
| refined(adjective, unreasonable, irregular) | |
| different(adjective, unreasonable, irregular) | |
| uncommon(adjective, unreasonable, irregular) | |
| atypical(adjective, unreasonable, irregular) | |
| fixed(adjective, unreasonable, irregular) | |
| foreign(adjective, unreasonable, irregular) | |
| pretended(adjective, unreasonable, irregular) | |
| preternatural(adjective, abnormal) | |
| uncanny(adjective, strange) | |
| changing(adjective, unreasonable, irregular) | |
| exceptional(adjective, unreasonable, irregular) | |
| extraordinary(adjective, unreasonable, irregular) | |
| freakish(adjective, abnormal) | |
| irregular(adjective, unreasonable) | |
| modified(adjective, unreasonable, irregular) | |
| inconsistent(adjective, unreasonable, irregular) |
For more, visit
Natural on
Power Thesaurus
| APA | Smart Define. (2016). natural thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/natural/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, natural thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/natural/thesaurus/antonyms>. |
| MLA | Smart Define. "natural thesaurus" 15 February 2016. Web. 1 October 2026. <https://smartdefine.org/natural/thesaurus/antonyms> |