148 entries under serene topic. ×

5
pastoral(adjective, calm, quiet, cool, smooth)
5
patient(adjective, calm, quiet, cool, kind)
5
soft(adjective, calm, quiet, weak, kind)
5
stolid(adjective, calm, dull, quiet, cool)
5
unexcitable(adjective, calm, quiet, cool, smooth)
5
unmoved(adjective, quiet, cool, moderate, gentle)
4
apathetic(adjective, calm, dull, quiet, cool)
4
stoic(adjective, calm, cool, blank, aloof)
4
amicable(adjective, calm, quiet, cool, smooth)
4
balmy(adjective, calm, quiet, clear, weak)
4
easeful(calm, quiet, friendly)
4
friendly(adjective, calm, quiet, peaceful, easygoing)
4
lenient(adjective, calm, quiet, weak, kind)
4
reserved(adjective, close, quiet, cool, gentle)
4
self-contained(adjective, close, quiet, cool, gentle)
4
soothing(adjective, calm, quiet, cool, smooth)
4
staid(adjective, calm, cool, relaxed, tranquil)
3
irenic(adjective, calm, quiet, friendly, mild)
3
unemotional(adjective, calm, quiet, cool, moderate)
3
agreeable(adjective, calm, quiet, cool, smooth)
10 years ago|22k views|share |citing 
APASmart Define. (2016). placid thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/placid/thesaurus/synonyms
ChicagoSmart Define. 2016. "placid thesaurus" https://smartdefine.org/placid/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, placid thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/placid/thesaurus/synonyms>.
MLASmart Define. "placid thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/placid/thesaurus/synonyms>