A trite or banal remark or statement, especially one expressed as if it were original or significant. See Synonyms at cliché.
Lack of originality; triteness.
[French, from plat, flat, from Old French; see plate.] plat'i·tu'di·nous (-tōōd'n-əs, -tyōōd'-), plat'i·tu'di·nal (-tōōd'n-əl, -tyōōd'-) adj., plat'i·tu'di·nous·ly adv.