Of a book, etc., showing signs of frequent or heavy use; worn; well used.(adjective)
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Use "well-thumbed" in a sentence
"It is a household must-have, and a well-thumbed copy can be found in kitchens throughout France."
"I've managed to confect vague sympathy, but can't help feeling the snub would be put into perspective if female athletes would only turn to their well-thumbed copies of classical comedy."
"As recounted in an absorbing study — no, really — by the Harvard professor George Baker in The Journal of Finance, their predecessors had followed a well-thumbed playbook to build Beatrice from a small Nebraska creamery into a money-spinning conglomerate that sold everything from Meadow Gold dairy products to Samsonite luggage."