70 entries under simple topic. ×

9
cushy(adjective, characteristic, calm, quiet, light)
9
easeful(adjective, calm, good, quiet, light)
9
friendly(adjective, calm, close, reasonable)
7
calm(adjective, quiet, light, smooth)
7
composed(adjective, calm, quiet, light, smooth)
7
homely(adjective, warm, informal, relaxed)
7
in clover(expression, adjective, idiom, calm, quiet)
7
quiet(adjective, calm, light, smooth)
6
familiar(adjective, calm, close, easy)
6
gentle(adjective, calm, quiet, light, smooth)
6
leisurely(adjective, calm, quiet, light, smooth)
6
undisturbed(adjective, calm, quiet, light, smooth)
5
carefree(adjective, calm, quiet, light, smooth)
5
homey(adjective, secure, easy, warm)
5
undemanding(adjective, calm, quiet, light, smooth)
3
at ease(expression, adjective, idiom, calm, quiet)
3
informal(adjective, calm, quiet, open, free)
3
mild(adjective, calm, quiet, light, smooth)
3
plain(adjective, light, easy, relaxed)
3
smooth(adjective, calm, quiet, light)
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APASmart Define. (2016). comfortable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/comfortable/thesaurus/synonyms
ChicagoSmart Define. 2016. "comfortable thesaurus" https://smartdefine.org/comfortable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, comfortable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/comfortable/thesaurus/synonyms>.
MLASmart Define. "comfortable thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/comfortable/thesaurus/synonyms>