1. repeated too often
overfamiliar through overuse

e.g. bromidic sermons
his remarks were trite and commonplace
hackneyed phrases
a stock answer
repeating threadbare jokes
parroting some timeworn axiom
the trite metaphor `hard as nails'

Synonym: banalcommonplacehackneyedold-hatstock(a)threadbaretimeworntiredtritewell-worn

2. worn or faded from being on display in a store

e.g. shopworn merchandise at half price

Synonym: shopsoiled