Definition of laches
: negligence in the observance of duty or opportunity; specifically : undue delay in asserting a legal right or privilege
Origin of laches
Middle English lachesse, from Anglo-French laschesce, from lasche lax, ultimately from Latin laxare to loosen — more at lease
First Known Use: 14th century
Learn More about laches
Britannica.com: Encyclopedia article about "laches"
Seen and Heard
What made you want to look up laches? Please tell us where you read or heard it (including the quote, if possible).