73 entries under unruffled topic. ×

28
sedate(adjective, calm, good, dull, quiet)
27
sober(adjective, calm, dull, quiet, set)
24
serious(adjective, calm, dull, set, cool)
18
solemn(adjective, calm, dull, quiet, set)
14
composed(adjective, calm, quiet, set, cool)
14
calm(adjective, set, cool, firm, sensible)
14
grave(adjective, calm, dull, quiet, set)
12
earnest(adjective, calm, dull, quiet, set)
11
cool(adjective, calm, set, firm, sensible)
10
somber(adjective, calm, dull, quiet, set)
8
imperturbable(adjective, calm, cool, firm, sensible)
8
quiet(adjective, calm, dull, set, cool)
7
serene(adjective, calm, quiet, cool, reasonable)
7
tranquil(adjective, calm, cool, relaxed, easygoing)
6
collected(adjective, calm, quiet, set, cool)
6
dispassionate(adjective, calm, cool, relaxed, indifferent)
6
no-nonsense(adjective, calm, dull, quiet, set)
5
reserved(adjective, calm, firm, sensible, solid)
5
self-possessed(adjective, calm, firm, sensible, solid)
5
unflappable(adjective, calm, cool, relaxed, tranquil)
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APASmart Define. (2016). staid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/staid/thesaurus/synonyms
ChicagoSmart Define. 2016. "staid thesaurus" https://smartdefine.org/staid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, staid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/staid/thesaurus/synonyms>.
MLASmart Define. "staid thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/staid/thesaurus/synonyms>