Synonyms|194Antonyms|24|Broader|3Narrower|0Related|66

58 entries under flat topic. ×

2
worn-out(adjective, dull, set, hard)
1
bathetic(adjective, dull, silly, commonplace)
1
clean(adjective, simple, plain, ordinary)
1
cliché(adjective, dull, set, hard)
1
colorless(adjective, dull, simple, clean)
1
drained(adjective, dull, silly, commonplace)
1
dry(adjective, dull, hard, simple)
1
familiar tune(expression, adjective, dull, commonplace)
1
garden-variety(adjective, simple, clean, plain)
1
ho-hum(adjective, simple, clean, plain)
1
lackluster(adjective, dull, simple, clean)
1
lusterless(adjective, simple, clean, plain)
1
mildewed(adjective, dull, silly, commonplace)
1
repetitious(adjective, dull, hard, stupid)
1
run-of-the-mill(adjective, dull, silly, ordinary)
1
used-up(adjective, dull, silly, commonplace)
1
yawn(adjective, simple, clean, plain)
0
silly(dull, tired, commonplace, stale)
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ChicagoSmart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, platitudinous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>.
MLASmart Define. "platitudinous thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms>