• synonyms


[ri-strik-shuh n]
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  1. something that restricts; a restrictive condition or regulation; limitation.
  2. the act of restricting.
  3. the state of being restricted.
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Origin of restriction

1375–1425; late Middle English < Late Latin restrictiōn- (stem of restrictiō), equivalent to Latin restrict(us) (see restrict) + -iōn- -ion
Related formsnon·re·stric·tion, nouno·ver·re·stric·tion, nounpre·re·stric·tion, nounpro·re·stric·tion, adjectiveself-re·stric·tion, nounsu·per·re·stric·tion, noun


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1. rule, provision, reservation, restraint.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for restriction


  1. something that restricts; a restrictive measure, law, etc
  2. the act of restricting or the state of being restricted
  3. logic maths a condition that imposes a constraint on the possible values of a variable or on the domain of arguments of a function
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Derived Formsrestrictionist, noun, adjective
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 restriction


early 15c., "that which restricts," from Middle French restriction (14c.) and directly from Late Latin restrictionem (nominative restrictio) "limitation," noun of action from past participle stem of Latin restringere "restrict, bind fast, restrain," from re- "back" (see re-) + stringere "draw tight" (see strain (v.)). Meaning "act of restricting" is from 1620s.

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Online Etymology Dictionary, © 2010 Douglas Harper