platitude

/ˈplatɪtjuːd/

ot noun

An often-quoted saying that is supposed to be meaningful but has become unoriginal or hackneyed through overuse; a cliché.
A claim that is trivially true, to the point of being uninteresting.
Flatness.
Unoriginality; triteness.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.