Definition from Wiktionary, the free dictionary
Alternative forms 
- (idiomatic) Avoidance or inadequate performance of a task or duty; the action of copping out.
- His disappearance on the day of the audition was just a cop-out.
- (idiomatic) An excuse made in order to avoid performing a task or duty; a reason offered when someone cops out.
- It was a cop-out to say he couldn't sign the petition because he sprained his wrist.
- (idiomatic) A person who cops out.
- He's always a cop-out when there's hard work to be done.
Avoidance or inadequate performance of a task or duty
- “cop-out” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.
- "cop-out" in Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation.
- "cop-out" in the Wordsmyth Dictionary-Thesaurus © Wordsmyth 2002.
- "cop-out" in Merriam-Webster's Online Dictionary, © 2006-2007 Merriam-Webster, Incorporated.
- "cop-out" in Cambridge Advanced Learner's Dictionary © Cambridge University Press 2007.