- Definitions|2
- Thesaurus|287
- Abbreviations|0
| dull as dishwater(expression, adjective, idiom, stupid, ordinary) | |
| dumb(adjective, stupid, ordinary, commonplace, bland) | |
| epigrammatic | |
| everyday(adjective, dull, simple, plain, stupid) | |
| fade | |
| familiar | |
| familiar tune(expression, adjective, dull, flat, commonplace) | |
| formulaic | |
| formulistic | |
| garden-variety(adjective, simple, flat, clean, plain) | |
| gnomic | |
| hackney | |
| ho-hum(adjective, simple, flat, clean, plain) | |
| ho hum(expression, adjective, dull, stupid, ordinary) | |
| household | |
| insipid(adjective, dull, hard, stupid, ordinary) | |
| irksome(adjective, dull, simple, clean, plain) | |
| lackluster(adjective, dull, simple, flat, clean) | |
| lowly(adjective, simple, clean, plain, ordinary) | |
| lusterless(adjective, simple, flat, clean, plain) |
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| APA | Smart Define. (2015). platitudinous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/platitudinous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "platitudinous thesaurus" https://smartdefine.org/platitudinous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, platitudinous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/platitudinous/thesaurus/synonyms>. |
| MLA | Smart Define. "platitudinous thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/platitudinous/thesaurus/synonyms> |