platitude

/P L AE1 T IH0 T UW0 D/
noun
  1. 1

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

  2. 2

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

  3. 3

    Flatness.

  4. 4

    Unoriginality; triteness.

Synonyms

Source: https://en.wiktionary.org/wiki/platitude