- Definitions|2
- Thesaurus|287
- Abbreviations|0
86 entries under dull topic. ×
| out-of-date(adjective, hard, tired, old) | |
| passé(hard, tired, old, sour) | |
| past(adjective, hard, tired, old) | |
| silly(flat, tired, commonplace, stale) | |
| wornout(isochronal, shopworn, summative) | |
| zestless(adjective, hard, tired, old) |
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| APA | Smart Define. (2015). platitudinous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, platitudinous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>. |
| MLA | Smart Define. "platitudinous thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms> |