• synonyms


[awf-sahyd, of-]
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.
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Origin of offside

First recorded in 1840–50; off + side1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for offside


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
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  1. the offside mainly British
    1. the side of a vehicle nearest the centre of the road (in Britain, the right side)
    2. (as modifier)the offside passenger door
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Compare nearside
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 offside

also off-side, 1867, in various sporting senses, originally in English football; from off + side (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper