| artificial(adjective, fake, unusual, unreasonable, irregular) | |
| unnatural(adjective, reasonable, unusual, unreasonable, regular) | |
| spooky(adjective, frightening) | |
| hypocritical | |
| fake | |
| abnormal(adjective, unusual, unreasonable, irregular) | |
| affected(verb, adjective, unusual, true, unreasonable) | |
| magic | |
| sharp | |
| supernatural(adjective, mysterious, not) | |
| divine | |
| false | |
| refined(adjective, unusual, unreasonable, irregular) | |
| synthetic(adjective, artificial) | |
| trippy | |
| artful | |
| different(adjective, unusual, unreasonable, irregular) | |
| faux | |
| flat | |
| florid(adjective, elaborate) |
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| APA | Smart Define. (2016). natural thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/natural/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, natural thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/natural/thesaurus/antonyms>. |
| MLA | Smart Define. "natural thesaurus" 15 February 2016. Web. 25 September 2026. <https://smartdefine.org/natural/thesaurus/antonyms> |