0
antiquated(adjective, dull, hard, tired, old)
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bathos
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bent(adjective, dull, hard, tired, old)
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characterless
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corniest
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cumulative(wornout, isochronal, summative)
0
decayed(adjective, hard, old, sour, musty)
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dried(adjective, hard, old, sour, musty)
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dusty(adjective, dull, hard, tired, old)
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effete(adjective, dull, hard, tired, old)
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faded(adjective, hard, old, sour, musty)
0
fetid(adjective, hard, old, sour, musty)
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gone off(expression, adjective, hard, old, sour)
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hard(adjective, old, sour, musty, decayed)
0
increscent(wornout, isochronal, summative)
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isochronal(wornout, summative)
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isochronous(wornout, isochronal, summative)
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like a dinosaur(expression, adjective, idiom, dull, hard)
0
like clockwork(expression, wornout, isochronal, summative)
0
malodorous(adjective, hard, old, sour, musty)
11 years ago|3.8k views|share |citing 
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>