- Definitions|2
- Thesaurus|2.3k
- Abbreviations|0
| frowning | |
| funereal(dull, dark, gloomy, sober, serious) | |
| glum | |
| good(well-mannered, well-behaved) | |
| hard-boiled(adjective, calm, sensible, dark, restrained) | |
| humorlessly | |
| impartial(adjective, indifferent, casual, aloof, remote) | |
| impersonal(adjective, indifferent, casual, aloof, remote) | |
| incurious(adjective, indifferent, detached, casual, aloof) | |
| indifferent(adjective, calm, restrained, casual, aloof) | |
| infecund | |
| infertile | |
| inhibited(adjective, calm, quiet, sensible, dark) | |
| inscrutable(adjective, unexcitable) | |
| insensible | |
| intense(adjective, quiet, firm, sensible, solid) | |
| intent(adjective, set, severe, honest, thoughtful) | |
| irritable | |
| keeping a stiff upper lip(expression, adjective, idiom, calm, relaxed) | |
| laid-back(adjective, calm, cool, indifferent, restrained) |
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| APA | Smart Define. (2016). staid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/staid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "staid thesaurus" https://smartdefine.org/staid/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, staid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/staid/thesaurus/synonyms>. |
| MLA | Smart Define. "staid thesaurus" 19 February 2016. Web. 23 September 2026. <https://smartdefine.org/staid/thesaurus/synonyms> |