Dictionary.com
definitions
  • synonyms

knackered

[nak-erd]
See more synonyms for knackered on Thesaurus.com
adjective British Slang.
  1. exhausted; very tired: He is really knackered after work.
Show More

Origin of knackered

1885–90; knacker to tire (attenuation of earlier sense “to kill”; cf. knacker def. 1) + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for knackered

knackered

adjective British slang
  1. exhausted; tired out
  2. worn out; no longer working, esp after long or hard use
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for knackered

adj.

"worn out, tired," past participle adjective from knacker (v.).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper