85 entries under natural topic. ×

4
ordinary(adjective, simple, easy, lower, plain)
4
smooth(adjective, calm, cool, pleasant, easy)
4
tolerant(adjective, feature, state, open, soft)
3
mild(adjective, feature, state, calm, weak)
3
colloquial(adjective, simple, relaxed, ordinary, familiar)
3
prosaic(adjective, simple, ordinary, familiar)
2
plain(adjective, calm, smooth, simple, easy)
2
routine(adjective, simple, ordinary, familiar)
2
uncontrived(adjective, smooth, simple, easy)
2
uncontrolled(adjective, simple, impulsive, willing)
2
workaday(adjective, simple, ordinary, familiar)
1
ad-lib(adjective, free, simple, fake)
1
average(adjective, simple, ordinary, familiar)
1
banal(adjective, simple, ordinary, familiar)
1
bourgeois(adjective, simple, ordinary, familiar)
1
break loose(expression, adjective, simple, impulsive)
1
characteristic(adjective, simple, ordinary, familiar)
1
comformable(adjective, simple, ordinary, familiar)
1
commonplace(adjective, simple, lower, inferior, ordinary)
1
complaisant(open, mild, relaxed, tolerant)
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APASmart Define. (2015). casual thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/casual/thesaurus/synonyms
ChicagoSmart Define. 2015. "casual thesaurus" https://smartdefine.org/casual/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, casual thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/casual/thesaurus/synonyms>.
MLASmart Define. "casual thesaurus" 1 December 2015. Web. 30 September 2026. <https://smartdefine.org/casual/thesaurus/synonyms>