Cliche means a trite, overused phrase or idea.
Cliche comes under noun.
Synonyms: banality, hackneyed expression, old story, old saw, platitude, sterotype.
Antonyms: new idea, original phrase.
The essay was not only long, it was also filled with cliches.
"The dawning of a new day" is a cliche; the phrase has lost its impact through overuse.
The critics complained that the otherwise imaginative play ended with a cliche.
Advertisers would be wise to avoid using cliches that tend to put their audience to sleep.