89 entries under serene topic. ×

2
temperate(adjective, calm, quiet, cool, smooth)
2
unconcerned(adjective, calm, quiet, cool, moderate)
2
untroubled(adjective, calm, quiet, cool, moderate)
1
agreeable(adjective, calm, quiet, smooth, easy)
1
amicable(adjective, calm, quiet, cool, moderate)
1
at ease(expression, adjective, calm, quiet, easy)
1
at peace(expression, adjective, calm, quiet, cool)
1
balmy(adjective, calm, quiet, easy, mild)
1
callous(adjective, cool, detached, blank, aloof)
1
comforting(adjective, calm, quiet, easy, mild)
1
dry(adjective, calm, dull, cool, blank)
1
emotionless(adjective, calm, dull, cool, flat)
1
halcyon(adjective, calm, quiet, cool, easy)
1
hardened(adjective, cool, blank, aloof, unemotional)
1
heartless(adjective, cool, detached, blank, aloof)
1
hushed(adjective, calm, quiet, cool, easy)
1
indurated(adjective, cool, blank, aloof, unemotional)
1
inexpressive(adjective, cool, detached, blank, aloof)
1
insusceptible(adjective, cool, blank, aloof, unemotional)
1
lenient(adjective, calm, quiet, easy, mild)
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). unexcitable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unexcitable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexcitable thesaurus" https://smartdefine.org/unexcitable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unexcitable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unexcitable/thesaurus/synonyms>.
MLASmart Define. "unexcitable thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unexcitable/thesaurus/synonyms>