platitude

noun4

1. •
   An often-quoted saying that is supposed to be meaningful but has become unoriginal or hackneyed through overuse.

   • Beauty, I suppose, opens the heart, extends the consciousness. It is a platitude, of course. — 1918
2. •
   A claim that is trivially true, to the point of being uninteresting.
3. •
   Unoriginality; triteness.

   • seemly platitude, flat-footed ordinariness, and well-enacted upper working class respectability cancel out any turpitude, exhilarating tension or satanic glamour a casino might be expected to have. — 1978
4. •
   Flatness; lack of change, activity, or deviation.

   • The former figures the typical prairie landscape-poet who stops at the correction line (which itself literally denies the platitude of flatness) to notice the ever-present wind. — 1992