Without freshness or appeal because of overuse:
banal, bromidic, clichéd, commonplace, corny, hackneyed, musty, overused, overworked, platitudinal, platitudinous, stale, stereotyped, stereotypic, stereotypical, threadbare, timeworn, tired, trite, warmed-over, well-worn, worn-out. See excite, usual
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