137 entries under straight topic. ×

9
unreserved(adjective, clear, open, direct, free)
8
matter-of-fact(adjective, open, direct, free, simple)
8
run-of-the-mill(adjective, good, dull, simple, flat)
7
usual(adjective, dull, simple, flat, honest)
6
categorical(adjective, clear, open, flat, honest)
6
conventional(adjective, simple, pure, common, ordinary)
6
real(adjective, good, open, direct, free)
6
regular(adjective, calm, quiet, open, smooth)
5
literal(adjective, simple, honest, exact, pure)
5
neat(adjective, clear, strong, simple, sharp)
5
point-blank(adjective, open, flat, honest, total)
5
sober(adjective, calm, dull, tough, soft)
5
true(adjective, good, clear, open, simple)
5
unfeigned(adjective, good, open, simple, easy)
4
actual(adjective, open, simple, right, honest)
4
general(adjective, friendly, appropriate, common, ordinary)
4
horizontal(adjective, calm, quiet, smooth, soft)
4
humdrum(adjective, dull, weak, simple, flat)
4
moderate(adjective, calm, light, simple, soft)
4
normal(adjective, simple, pure, common, ordinary)
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APASmart Define. (2016). plain thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>