95 entries under still topic. ×

3
level(adjective, calm, quiet, smooth, friendly)
3
neutral(adjective, calm, quiet, cool, smooth)
3
stoical(adjective, calm, cool, smooth)
2
possessed(adjective, calm, quiet, easy, relaxed)
2
unexcited(adjective, calm, quiet, cool, moderate)
2
at ease(expression, adjective, calm, quiet, easy)
2
harmonious(adjective, calm, quiet, cool, smooth)
2
inscrutable(adjective, quiet, cool, moderate, gentle)
2
laid-back(adjective, calm, quiet, cool, moderate)
2
low-key(adjective, quiet, cool, smooth, mild)
2
reposing(adjective, quiet, cool, smooth, mild)
2
unconcerned(adjective, calm, quiet, cool, moderate)
2
windless(adjective, quiet, cool, smooth, mild)
1
listless(adjective, calm, dull, quiet, cool)
1
at a standstill(expression, adjective, idiom, quiet, cool)
1
civil(adjective, quiet, cool, kind, moderate)
1
cool as cucumber(expression, adjective, idiom, calm, quiet)
1
disinterested(adjective, calm, quiet, cool, moderate)
1
in order(expression, adjective, quiet, cool, smooth)
1
levelheaded(adjective, calm, quiet, cool, moderate)
10 years ago|22k views|share |citing 
APASmart Define. (2016). placid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/placid/thesaurus/synonyms
ChicagoSmart Define. 2016. "placid thesaurus" https://smartdefine.org/placid/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, placid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/placid/thesaurus/synonyms>.
MLASmart Define. "placid thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/placid/thesaurus/synonyms>