What is the meaning of Platitude?

An often-quoted saying that is supposed to be meaningful but has become unoriginal or hackneyed through overuse.

A claim that is trivially true, to the point of being uninteresting.

Flatness; lack of change, activity, or deviation.

Unoriginality; triteness.

platitude, cliché

flatness

blandness, triteness, unoriginality

platitude, banality

platitude (an overused saying)

platitude; triteness; unoriginality

Source: wiktionary.org