39 entries under serene topic. ×

11
peaceful(adjective, calm, quiet, friendly, easygoing)
3
nonviolent(adjective, calm, quiet, friendly, peaceful)
2
neutral(adjective, calm, quiet, friendly, detached)
2
pacifistic(adjective, calm, quiet, smooth, friendly)
2
placid(adjective, calm, quiet, friendly, easygoing)
2
quiet(adjective, calm, friendly, peaceful, easygoing)
2
tranquil(adjective, calm, quiet, friendly, easygoing)
1
all quiet(expression, calm, quiet, friendly, steady)
1
amicable(calm, quiet, easygoing, compliant)
1
at peace(expression, calm, quiet, friendly, steady)
1
bloodless(calm, quiet, friendly, steady)
1
calm(quiet, friendly, detached, unconcerned, easygoing)
1
collected(calm, quiet, friendly, detached, unconcerned)
1
composed(calm, quiet, friendly)
1
constant(calm, quiet, friendly, steady)
1
easeful(calm, quiet, friendly, steady)
1
equable(calm, quiet, friendly, steady)
1
free from strife(expression, idiom, calm, quiet, friendly)
1
friendly(calm, quiet, easygoing, compliant)
1
halcyon(calm, quiet, friendly)
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APASmart Define. (2015). nonbelligerent thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/nonbelligerent/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonbelligerent thesaurus" https://smartdefine.org/nonbelligerent/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, nonbelligerent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/nonbelligerent/thesaurus/synonyms>.
MLASmart Define. "nonbelligerent thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/nonbelligerent/thesaurus/synonyms>