old-hat
1. [ adjective ] repeated too often; overfamiliar through overuse
Synonyms: timeworn hackneyed trite stock threadbare tired shopworn well-worn commonplace banal
Examples:

"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'"

Related terms: unoriginal
2. [ adjective ] out of fashion
Synonyms: antique outmoded old-fashioned passe passee ex demode
Examples:

"a suit of rather antique appearance" "demode (or outmoded) attire" "outmoded ideas"

Related terms: unfashionable