85 entries under natural topic. ×

2
impulsive(adjective, open, simple, easy)
2
instinctive(adjective, open, simple, easy)
2
kid(adjective, simple, informal, raw)
2
rookie(adjective, simple, new, raw)
2
unadorned(simple, plain, ingenuous, unworldly)
2
unartful(adjective, simple, honest, plain)
2
unassuming(adjective, simple, honest, straightforward)
2
uncontrived(adjective, open, simple, easy, plain)
2
unforced(adjective, open, simple, easy)
1
ad-lib(adjective, simple, poor, casual)
1
break loose(expression, adjective, simple, casual)
1
bush-league(adjective, simple, naive, unworldly)
1
casual(adjective, smooth, simple, easy)
1
cornball(adjective, simple, naive, inexperienced)
1
down(adjective, simple, casual, impulsive)
1
extemporaneous(adjective, simple, poor, casual)
1
extempore(adjective, simple, casual, impulsive)
1
forthright(adjective, open, smooth, simple, easy)
1
free(adjective, simple, casual, impulsive)
1
free spirited(expression, adjective, simple, casual)
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APASmart Define. (2015). unsophisticated thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unsophisticated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsophisticated thesaurus" https://smartdefine.org/unsophisticated/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unsophisticated thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unsophisticated/thesaurus/synonyms>.
MLASmart Define. "unsophisticated thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unsophisticated/thesaurus/synonyms>