A cliché is an overused and unoriginal expression. For example, when having to decide between two unfavorable options, it’s common to say “caught between Definition of cliché noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of CLICHÉ is a trite phrase or expression; also : the idea expressed by it. How to use cliché in a sentence. What is the Difference Between cliché and stereotype? 3 meanings: 1. a word or expression that has lost much of its force through overexposure, as for example the phrase 2. an idea,.... Click for more definitions.