the GNU version of the Collaborative International Dictionary of English
adj. Somewhat worn or damaged by having been kept for a time in a shop.
The Century Dictionary and Cyclopedia
Somewhat worn or defaced by the handling received in a shop or store, or by exposure outside a shop.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. repeated too often; overfamiliar through overuse
adj. worn or faded from being on display in a store
Word Usage
"One tiny mark, a slight rip or fold, any sign that any human being had touched the book and the publishers would call it shopworn and not refund any money for an unsold book."