66 entries under sober topic. ×

2
hard-boiled(adjective, tough, rational, straightforward, detached)
2
in cold blood(expression, adjective, idiom, cool, flat)
2
lifeless(adjective, calm, dull, tough, flat)
2
matter-of-fact(adjective, calm, cool, rational, straightforward)
2
phlegmatic(adjective, calm, tough, rational, straightforward)
2
reserved(adjective, cool, detached, blank)
1
calm(adjective, cool, tough, rational, straightforward)
1
cold-blooded(adjective, cool, tough, rational, straightforward)
1
cold fish(expression, adjective, cool, flat, detached)
1
distant(adjective, cool, detached, blank)
1
down-to-earth(adjective, tough, rational, straightforward)
1
earthy(adjective, tough, rational, straightforward)
1
factual(adjective, tough, rational, straightforward)
1
feasible(adjective, tough, rational, straightforward)
1
glacial(adjective, cool, detached, blank)
1
heartless(adjective, cool, detached, blank)
1
icy(adjective, cool, detached, blank)
1
immovable(adjective, cool, flat, detached, blank)
1
impersonal(adjective, cool, tough, rational, straightforward)
1
indifferent(adjective, calm, dull, cool, flat)
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APASmart Define. (2015). deadpan thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deadpan/thesaurus/synonyms
ChicagoSmart Define. 2015. "deadpan thesaurus" https://smartdefine.org/deadpan/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, deadpan thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deadpan/thesaurus/synonyms>.
MLASmart Define. "deadpan thesaurus" 2 September 2015. Web. 24 September 2026. <https://smartdefine.org/deadpan/thesaurus/synonyms>