- Definitions|1
- Thesaurus|1.3k
- Abbreviations|0
| reasonable(adjective, calm, quiet, sound, easy) | |
| self-contained | |
| serious | |
| solemn | |
| together(adjective, calm, sound, sensible, composed) | |
| unexcitable(adjective, calm, quiet, easy, mild) | |
| uninterested(adjective, indifferent, unsympathetic, inattentive, nonchalant) | |
| unvexed(adjective, calm, tranquil, unruffled) | |
| aloof(adjective, calm, cool, relaxed, indifferent) | |
| casual(adjective, calm, cool, relaxed, detached) | |
| cold(adjective, calm, cool, relaxed, indifferent) | |
| easy(adjective, calm, quiet, cool, mild) | |
| equable | |
| equanimous | |
| grave | |
| hushed(adjective, calm, quiet, easy, mild) | |
| in control(expression, adjective, idiom, tranquil) | |
| insouciant(adjective, calm, cool, relaxed, indifferent) | |
| level-headed | |
| levelheaded(calm, composed, poised) |
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| APA | Smart Define. (2015). unperturbed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unperturbed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unperturbed thesaurus" https://smartdefine.org/unperturbed/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unperturbed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unperturbed/thesaurus/synonyms>. |
| MLA | Smart Define. "unperturbed thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unperturbed/thesaurus/synonyms> |