trite, hackneyed, stereotyped, threadbare mean lacking the freshness that evokes attention or interest. trite applies to a once effective phrase or idea spoiled from long familiarity.
// "you win some, you lose some" is a trite expression hackneyed stresses being worn out by overuse so as to become dull and meaningless.
// all of the metaphors and images in the poem are hackneyed stereotyped implies falling invariably into the same pattern or form.
// views of minorities that are stereotyped and out-of-date threadbare applies to what has been used until its possibilities of interest have been totally exhausted.
// a mystery novel with a threadbare plot