93 entries under tranquil topic. ×

3
mild(adjective, feature, state, calm, quiet)
3
patient(adjective, calm, quiet, cool, moderate)
3
phlegmatic(adjective, calm, dull, quiet, weak)
3
satisfied(adjective, feature, state, calm, quiet)
3
unperturbed(adjective, calm, cool, relaxed, casual)
2
aloof(adjective, calm, quiet, cool, moderate)
2
collected(adjective, calm, quiet, cool, moderate)
2
dispassionate(adjective, calm, quiet, cool, moderate)
2
impassive(adjective, calm, dull, quiet, cool)
2
lazy(adjective, calm, dull, weak, easy)
2
low-key(adjective, calm, quiet, cool, informal)
2
moderate(adjective, calm, quiet, cool, reasonable)
2
offhand(adjective, calm, cool, mild, careless)
2
placid(adjective, calm, quiet, cool, moderate)
2
sedate(adjective, calm, quiet, cool, smooth)
2
unemotional(adjective, calm, quiet, cool, moderate)
2
unexcitable(adjective, quiet, cool, moderate, gentle)
2
unexcited(adjective, calm, quiet, cool, moderate)
2
unmoved(adjective, calm, quiet, cool, moderate)
1
amiable(adjective, calm, quiet, cool, moderate)
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APASmart Define. (2015). laid-back thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/laid-back/thesaurus/synonyms
ChicagoSmart Define. 2015. "laid-back thesaurus" https://smartdefine.org/laid-back/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, laid-back thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/laid-back/thesaurus/synonyms>.
MLASmart Define. "laid-back thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/laid-back/thesaurus/synonyms>