303 entries under simple topic. ×

3
confiding(plain, innocent, sincere, artlessness)
3
congenial(adjective, easy, plain, straightforward)
3
credulous(adjective, open, pure, innocent)
3
down-to-earth(adjective, plain, informal, true)
3
extemporaneous(adjective, casual, impulsive, willing)
3
neat(adjective, smooth, bright, clean)
3
prevailing(adjective, ordinary, usual, normal)
3
primary(adjective, material, basic, living)
3
unembellished(adjective, reasonable, clean, honest)
3
unpolished(adjective, open, plain, bare)
3
unschooled(adjective, open, clean, honest)
3
untutored(adjective, rough, straightforward, crude)
2
animal(adjective, rough, physical, animate)
2
austere(adjective, clean, plain, pure)
2
coarse(adjective, rough, fresh, raw)
2
colloquial(adjective, ordinary, familiar, straightforward)
2
dry(adjective, reasonable, plain, pure)
2
dull(adjective, pure, usual, regular)
2
frequent(adjective, new, common, ordinary)
2
from the hip(expression, adjective, idiom, open, direct)
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APASmart Define. (2016). natural thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/natural/thesaurus/synonyms
ChicagoSmart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, natural thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/natural/thesaurus/synonyms>.
MLASmart Define. "natural thesaurus" 15 February 2016. Web. 25 September 2026. <https://smartdefine.org/natural/thesaurus/synonyms>