cli·ché
klēˈSHā/
noun
noun: cliché; plural noun: clichés; noun: cliche; plural noun: cliches
1.
a phrase or opinion that is overused and betrays a lack of original thought.
"the old cliché “one man's meat is another man's poison.”" synonyms: platitude, hackneyed phrase, commonplace, banality, old saying, maxim, truism, stock phrase, trite phrase;
old chestnut
"a good speechwriter will steer clear of clichés"