- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
50 entries under lethargic topic. ×
| indifferent(adjective, feature, state, calm, cool) | |
| easygoing(adjective, feature, state, calm, cool) | |
| apathetic(adjective, calm, cool, relaxed, cold) | |
| uninterested(adjective, relaxed, cold, indifferent, dead) | |
| careless(adjective, feature, state, calm, dull) | |
| lackadaisical(adjective, calm, dull, cool, relaxed) | |
| listless(adjective, calm, cool, energy, relaxed) | |
| phlegmatic(adjective, dull, indifferent, unsympathetic, sluggish) | |
| lukewarm(adjective, calm, dull, cool, relaxed) | |
| heedless(adjective, feature, state, dull, indifferent) | |
| impassive(adjective, calm, cool, relaxed, cold) | |
| laid-back(adjective, feature, state, calm, cool) | |
| languid(adjective, feature, state, trait) | |
| thoughtless(adjective, feature, state, dull, trait) | |
| dull(adjective, languid, indolent) | |
| inattentive(adjective, dull, neglect, indifferent, unsympathetic) | |
| neutral(adjective, calm, cool, relaxed, cold) | |
| passive(adjective, indifferent, languid, indolent) | |
| sluggish(adjective, languid, indolent) | |
| supine(adjective, neglect, cold, indifferent, dead) |
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| APA | Smart Define. (2015). insouciant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insouciant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insouciant thesaurus" https://smartdefine.org/insouciant/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, insouciant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insouciant/thesaurus/synonyms>. |
| MLA | Smart Define. "insouciant thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/insouciant/thesaurus/synonyms> |