• synonyms


[gruh-mat-i-kuh l]
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  1. of or relating to grammar: grammatical analysis.
  2. conforming to standard usage: grammatical speech.
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Origin of grammatical

1520–30; < Latin grammatic(us) (< Greek grammatikós knowing one's letters, equivalent to grammat-, stem of grámma letter + -ikos -ic) + -al1
Related formsgram·mat·i·cal·ly, adverban·ti·gram·mat·i·cal, adjectivean·ti·gram·mat·i·cal·ly, adverban·ti·gram·mat·i·cal·ness, nounhy·per·gram·mat·i·cal, adjectivehy·per·gram·mat·i·cal·ly, adverbhy·per·gram·mat·i·cal·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for grammatical


  1. of or relating to grammar
  2. (of a sentence) well formed; regarded as correct and acceptable by native speakers of the language
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Derived Formsgrammatically, adverbgrammaticalness, noun
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 grammatical


1520s, from Middle French grammatical and directly from Late Latin grammaticalis "of a scholar," from grammaticus "pertaining to grammar" (see grammar). Related: Grammatically (c.1400).

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Online Etymology Dictionary, © 2010 Douglas Harper