129 entries under plain topic. ×

2
sheer(adjective, simple, fancy, delicate)
2
specific(adjective, clear, obvious)
2
stated(clear, obvious)
2
talking turkey(expression, adjective, simple, friendly, appropriate)
2
trustful(honest, innocent, artless, unworldly)
2
unartful(adjective, honest, innocent, artless)
2
unpretentious(simple, honest, true, natural)
2
unschooled(adjective, simple, easy, honest)
2
unstudied(adjective, simple, easy, honest)
2
up front(expression, adjective, honest, straightforward)
2
urbane(adjective, calm, smooth, simple, pleasant)
1
accurate(adjective, clear, direct, right, honest)
1
big as life(expression, adjective, idiom, clear)
1
call a spade a spade(expression, free, honest, straightforward)
1
casual(adjective, calm, clear, smooth, pleasant)
1
categorical(adjective, clear, flat, honest, total)
1
clean-cut(clear, obvious)
1
clear cut(expression, clear, obvious, out)
1
colloquial(adjective, simple, relaxed, straightforward)
1
cool(verb, adjective, calm, friendly)
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APASmart Define. (2016). open thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/open/thesaurus/synonyms
ChicagoSmart Define. 2016. "open thesaurus" https://smartdefine.org/open/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, open thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/open/thesaurus/synonyms>.
MLASmart Define. "open thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/open/thesaurus/synonyms>