43 entries under plain topic. ×

1
blah(adjective, dull, simple, stupid)
1
clean(adjective, simple, flat, ordinary)
1
colorless(adjective, dull, simple, flat, clean)
1
dead(adjective, dull, hard, simple)
1
diddly(adjective, simple, clean, ordinary)
1
drab(adjective, dull, hard, simple, clean)
1
dry(adjective, dull, hard, simple, flat)
1
everyday(adjective, dull, simple, stupid)
1
garden-variety(adjective, simple, flat, clean)
1
ho-hum(adjective, simple, flat, clean)
1
irksome(adjective, dull, simple, clean)
1
lackluster(adjective, dull, simple, flat, clean)
1
lowly(adjective, simple, clean, ordinary)
1
lusterless(adjective, simple, flat, clean)
1
matter-of- fact(expression, adjective, simple, clean)
1
pabulum(adjective, simple, clean, stupid)
1
plebeian(adjective, dull, simple, clean)
1
tame(adjective, dull, simple, clean)
1
uneventful(adjective, simple, clean, ordinary)
1
unexceptional(adjective, simple, clean, ordinary)
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APASmart Define. (2015). platitudinous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, platitudinous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>.
MLASmart Define. "platitudinous thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms>