[ awf-sahyd, of- ]
See synonyms for offside on
adjective, adverb
  1. Sports. illegally beyond a prescribed line or area or in advance of the ball or puck at the beginning of or during play or a play: The touchdown was nullified because the offensive left tackle was offside.

  2. with or in doubtful propriety or taste; risqué: an offside joke.

Origin of offside

First recorded in 1840–50; off + side1

Words Nearby offside Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use offside in a sentence

British Dictionary definitions for offside


/ (ˈɒfˈsaɪd) /

adjective, adverb
  1. sport (in football, hockey, etc) in a position illegally ahead of the ball or puck when it is played, usually when within one's opponents' half or the attacking zone

  1. the offside mainly British

    • the side of a vehicle nearest the centre of the road (in Britain, the right side)

    • (as modifier): the offside passenger door

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