| igneous(dull, gentle) | |
| ignite | |
| impassioned(adjective, dull, impassive) | |
| importunate | |
| incite(verb, encourage) | |
| inebriated | |
| inelegant | |
| inflame(verb, stop, calm, quiet, anger) | |
| inflamed | |
| insecure(calm, quiet) | |
| intoxicated | |
| jittery | |
| loving(mean, cold, indifferent) | |
| melt | |
| neighborly | |
| nerdish | |
| nerdy | |
| nervy | |
| poignant | |
| propitious(adjective, friendly, inopportune) |
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| APA | Smart Define. (2016). cool thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cool/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, cool thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cool/thesaurus/antonyms>. |
| MLA | Smart Define. "cool thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/cool/thesaurus/antonyms> |