30 entries under cool topic. ×

4
sober(adjective, calm, dull, quiet)
1
deliberate(calm, quiet, sober, serious)
1
dignified(adjective, calm, dull, quiet)
1
earnest(adjective, calm, dull, quiet)
1
grave(adjective, calm, dull, quiet, set)
1
no-nonsense(adjective, calm, dull, quiet)
1
quiet(calm, dull, heavy, sober)
1
sedate(adjective, calm, dull, quiet)
1
serious(adjective, calm, set, severe)
1
solemn(adjective, calm, dull, quiet)
1
somber(adjective, calm, dull, quiet)
1
staid(adjective, dull, quiet, set)
1
steady(calm, temperate, sober, serious)
0
calm(temperate, sober, serious, sedate)
0
collected(calm, sober, serious, sedate)
0
composed(calm, sober, serious, sedate)
0
cool as cucumber(expression, idiom, calm, quiet)
0
decorous(adjective, calm, quiet, sober)
0
demure(adjective, calm, quiet, sober)
0
dispassionate(calm, dignified)
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APASmart Define. (2015). cold sober thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cold_sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "cold sober thesaurus" https://smartdefine.org/cold_sober/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, cold sober thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cold_sober/thesaurus/synonyms>.
MLASmart Define. "cold sober thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/cold_sober/thesaurus/synonyms>