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conventional

[kuh n-ven-shuh-nl]
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adjective
  1. conforming or adhering to accepted standards, as of conduct or taste: conventional behavior.
  2. pertaining to convention or general agreement; established by general consent or accepted usage; arbitrarily determined: conventional symbols.
  3. ordinary rather than different or original: conventional phraseology.
  4. not using, making, or involving nuclear weapons or energy; nonnuclear: conventional warfare.
  5. Art.
    1. in accordance with an accepted manner, model, or tradition.
    2. (of figurative art) represented in a generalized or simplified manner.
  6. of or relating to a convention, agreement, or compact.
  7. Law. resting on consent, express or implied.
  8. of or relating to a convention or assembly.
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Origin of conventional

From the Late Latin word conventiōnālis, dating back to 1575–85. See convention, -al1
Related formscon·ven·tion·al·ist, nouncon·ven·tion·al·ly, adverban·ti·con·ven·tion·al, adjectivean·ti·con·ven·tion·al·ly, adverban·ti·con·ven·tion·al·ist, noun, adjectivenon·con·ven·tion·al, adjectivenon·con·ven·tion·al·ly, adverbqua·si-con·ven·tion·al, adjectivequa·si-con·ven·tion·al·ly, adverbsem·i·con·ven·tion·al, adjectivesem·i·con·ven·tion·al·ly, adverb

Synonyms

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1. See formal1. 2. usual, habitual, customary.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for conventional

conventional

adjective
  1. following the accepted customs and proprieties, esp in a way that lacks originalityconventional habits
  2. established by accepted usage or general agreement
  3. of or relating to a convention or assembly
  4. law based upon the agreement or consent of parties
  5. arts represented in a simplified or generalized way; conventionalized
  6. (of weapons, warfare, etc) not nuclear
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noun
  1. bridge another word for convention (def. 7)
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Derived Formsconventionally, adverb
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 conventional

adj.

late 15c., "of the nature of an agreement," from Late Latin conventionalis "pertaining to convention or agreement," from Latin conventionem (see convention). Meaning "of the nature of a convention" is from 1812, now rare; "established by social convention" is from 1761; that of "following tradition" is from 1831; that of "non-nuclear" is from 1955. Realted: Conventionality; conventionally.

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Online Etymology Dictionary, © 2010 Douglas Harper