- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
| imperturbable(adjective, calm, cool, relaxed, restrained) | |
| impervious(adjective, calm, restrained, subdued, impassive) | |
| inconsiderate | |
| incurious(adjective, calm, cool, relaxed, indifferent) | |
| indevotional | |
| indevout | |
| indifferentist | |
| ineffective | |
| ineffectual | |
| inhibited(adjective, calm, cool, restrained, unfriendly) | |
| inhospitable(adjective, cool, unfriendly, aloof, distant) | |
| inhuman(adjective, temper, cold, negative, behave) | |
| irresolved | |
| isocheimal | |
| knowing(adjective, cool, indifferent, sophisticated, apathetic) | |
| laid back(expression, adjective, calm, cool, relaxed) | |
| lenient(adjective, calm, weak, smooth, soft) | |
| lenitive(adjective, calm, weak, smooth, soft) | |
| light(adjective, calm, cool, weak, smooth) | |
| luke |
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| APA | Smart Define. (2016). lukewarm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lukewarm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "lukewarm thesaurus" https://smartdefine.org/lukewarm/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, lukewarm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lukewarm/thesaurus/synonyms>. |
| MLA | Smart Define. "lukewarm thesaurus" 14 March 2016. Web. 24 September 2026. <https://smartdefine.org/lukewarm/thesaurus/synonyms> |