36 entries under sober topic. ×

6
flat(adjective, dull, cool, detached, boring)
3
cold(adjective, cool, temper, negative, detached)
3
cold-blooded(adjective, cool, temper, cold, negative)
3
cool(adjective, temper, cold, negative, detached)
3
frigid(adjective, cool, temper, cold, negative)
3
icy(adjective, cool, temper, cold, negative)
3
impassive(adjective, cool, temper, cold, negative)
3
impersonal(adjective, cool, temper, cold, negative)
3
indifferent(adjective, cool, temper, cold, negative)
1
blank(adjective, cool, flat, detached)
1
chill(adjective, cool, flat, detached, blank)
1
cold fish(expression, adjective, cool, flat, detached)
1
cool cat(expression, adjective, cool, detached, blank)
1
deadpan(adjective, cool, flat, detached, blank)
1
detached(adjective, cool, blank, unfeeling)
1
dispassionate(adjective, cool, detached, blank)
1
distant(adjective, cool, detached, blank)
1
glacial(adjective, cool, detached, blank)
1
heartless(adjective, cool, detached, blank)
1
immovable(adjective, cool, flat, detached, blank)
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APASmart Define. (2015). toneless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/toneless/thesaurus/synonyms
ChicagoSmart Define. 2015. "toneless thesaurus" https://smartdefine.org/toneless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, toneless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/toneless/thesaurus/synonyms>.
MLASmart Define. "toneless thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/toneless/thesaurus/synonyms>