old-hat

Anything that's old-hat has grown so familiar that it's boring or seems old-fashioned. Your grandfather's war stories might be fascinating to your friends, but after hearing them so many times, they're old-hat to you.

A lot of what your'e studying in school might be exciting in September but completely old-hat by May. The same could be said of your lines in a play: they're a challenge to memorize and then thrilling to say on opening night, but if the show runs for a month, your part will soon be old-hat and you'll be ready to audition for a new role. This adjective was first recorded in the early twentieth century.

Definitions of old-hat
1

adj repeated too often; overfamiliar through overuse

Synonyms:
banal, commonplace, hackneyed, shopworn, stock, threadbare, timeworn, tired, trite, well-worn
unoriginal
not original; not being or productive of something fresh and unusual

adj out of fashion

Synonyms:
antique, demode, ex, old-fashioned, outmoded, passe, passee
unfashionable, unstylish
not in accord with or not following current fashion

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