22
unequivocal(adjective, clear, sharp, flat, firm)
22
blunt(adjective, clear, open, direct, free)
22
explicit(adjective, clear, simple, sharp, flat)
21
unadorned(adjective, quality, simple, reasonable, clean)
21
common(adjective, calm, good, dull, mean)
21
flat(noun, adjective, characteristic, calm, dull)
20
unpretentious(adjective, quiet, quality, mean, open)
19
conspicuous(adjective, clear, sharp, obvious, visible)
19
lucid(adjective, calm, clear, simple, easy)
19
pure(adjective, strong, simple, right, clean)
19
understandable(adjective, clear, simple, sharp, straightforward)
18
artless(adjective, open, direct, free, simple)
18
palpable(adjective, clear, sharp, honest, exact)
18
stark(adjective, dull, simple, pure, bare)
17
modest(adjective, quiet, mean, simple, gentle)
17
unvarnished(adjective, simple, tough, honest, exact)
16
definite(adjective, clear, simple, sharp, flat)
16
discernible(adjective, visual, clear, sound, physical)
16
sincere(adjective, good, clear, open, direct)
16
straight(adjective, calm, good, clear, strong)
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APASmart Define. (2016). plain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>