308 entries under straightforward topic. ×

2
authentic(adjective, good, open, simple, right)
2
basal(adjective, simple, pure, basic)
2
blah(adjective, dull, weak, simple, flat)
2
calm(adjective, quiet, light, weak, smooth)
2
clean-cut(adjective, clear, exact, certain)
2
colorless(adjective, dull, simple, soft, obscure)
2
comfortable(adjective, light, simple, easy, relaxed)
2
conservative(adjective, calm, quiet, simple, reasonable)
2
crystal-clear(adjective, clear, thin, obvious)
2
decided(adjective, clear, definite, precise)
2
down-to-earth(adjective, calm, simple, tough, informal)
2
factual(adjective, simple, tough, honest, exact)
2
foundational(adjective, simple, pure, basic)
2
hackneyed(adjective, simple, flat, stupid, ordinary)
2
impolite(adjective, blunt)
2
just(adjective, good, open, honest, fair)
2
lifeless(adjective, dull, simple, tough, soft)
2
light(adjective, quiet, clear, smooth, simple)
2
like it is(expression, idiom, honest, sincere)
2
little(adjective, clear, light, smooth, simple)
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APASmart Define. (2016). plain thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>