98 entries under plain topic. ×

2
unmingled(adjective, strong, simple, bright, clean)
2
up front(expression, open, honest, sincere)
1
akin(adjective, calm, smooth, flat)
1
bright(adjective, hard, simple, sharp, clean)
1
call a spade a spade(open, free, honest, straightforward)
1
calm(adjective, smooth, soft, reasonable, gentle)
1
classic(adjective, simple, bright, clean)
1
commensurate(adjective, calm, smooth, flat)
1
comparable(adjective, calm, smooth, flat)
1
equivalent(adjective, calm, smooth, flat)
1
for real(expression, honest, straightforward, genuine)
1
from the hip(open, free, honest, straightforward)
1
identical(adjective, calm, smooth, flat)
1
indubitable(adjective, clear, correct, right, flat)
1
innocent(adjective, good, simple, right, honest)
1
lay it on the line(expression, open, free, honest)
1
leveled(adjective, calm, smooth, flat)
1
like(adjective, calm, smooth, flat)
1
matched(adjective, calm, smooth, flat)
1
naive(open, free, simple, honest)
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APASmart Define. (2015). straight thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/straight/thesaurus/synonyms
ChicagoSmart Define. 2015. "straight thesaurus" https://smartdefine.org/straight/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, straight thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/straight/thesaurus/synonyms>.
MLASmart Define. "straight thesaurus" 12 November 2015. Web. 24 September 2026. <https://smartdefine.org/straight/thesaurus/synonyms>