1
at ease(expression, adjective, calm, relaxed, tranquil)
1
austerely
1
bad
1
barren
1
calmed(adjective, calm, relaxed, tranquil, easygoing)
1
casual(adjective, calm, indifferent, restrained, aloof)
1
clear-headed(adjective, calm, quiet, reasonable, sensible)
1
clearheaded(adjective, calm, relaxed, tranquil, easygoing)
1
close(adjective, severe, warm, modest, thoughtful)
1
cold sober(expression, adjective, dull, quiet, set)
1
comfy
1
commonsensical(adjective, calm, relaxed, tranquil, easygoing)
1
constant(adjective, firm, sensible, solid, steady)
1
constrained(adjective, calm, quiet, reasonable, sensible)
1
cool as cucumber(expression, adjective, idiom, calm, cool)
1
cool headed
1
deadpan(adjective, unexcitable)
1
deep(adjective, sober, serious, solemn)
1
deliberate(calm, cool, sober, serious, somber)
1
determined(adjective, set, severe, honest, sensible)
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APASmart Define. (2016). staid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/staid/thesaurus/synonyms
ChicagoSmart Define. 2016. "staid thesaurus" https://smartdefine.org/staid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, staid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/staid/thesaurus/synonyms>.
MLASmart Define. "staid thesaurus" 19 February 2016. Web. 23 September 2026. <https://smartdefine.org/staid/thesaurus/synonyms>