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

86 entries under dull topic. ×

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out-of-date(adjective, hard, tired, old)
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passé(hard, tired, old, sour)
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past(adjective, hard, tired, old)
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silly(flat, tired, commonplace, stale)
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wornout(isochronal, shopworn, summative)
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zestless(adjective, hard, tired, old)
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APASmart Define. (2015). platitudinous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, platitudinous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>.
MLASmart Define. "platitudinous thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms>