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[uhn-gruh-mat-i-kuh l] /ˌʌn grəˈmæt ɪ kəl/
grammatically incorrect or awkward; not conforming to the rules or principles of grammar or accepted usage:
an ungrammatical sentence.
Origin of ungrammatical
1645-55; un-1 + grammatical
Related forms
ungrammatically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for ungrammatical
Historical Examples
  • In literal strictness it would not be ungrammatical to say ten dollars were paid.

    The Magazine Style-Code Leigh H. Irvine
  • It is curious enough that this sentence of the Bishop is, itself, ungrammatical!

    The Verbalist Thomas Embly Osmun, (AKA Alfred Ayres)
  • To sign it would produce a confusion of persons and be ungrammatical to the last degree.

    Social Life Maud C. Cooke
  • His dress was very plain and poor, his manner was uncultured, his language was ungrammatical.

    Three People Pansy
  • That is not so puzzling as it sounds (nor sounds quite as ungrammatical as it is), and an instance will clarify the principle.

    Up and Down Edward Frederic Benson
  • If I were asked an opinion I would call this an ungrammatical nation.

    Mark Twain's Speeches Mark Twain (Samuel Clemens)
  • All alike were summoned to Brussels; non curamus privilegios vestros declared Vargas in his ungrammatical Latin.

    History of Holland George Edmundson
  • She knew that he was ungrammatical, but she denied that he was uncouth.

    The Job Sinclair Lewis
  • ungrammatical, un-gra-mat′i-kal, adj. not according to the rules of grammar.

  • What if there were imperfect, or ungrammatical sentences in it?

British Dictionary definitions for ungrammatical


(of a sentence) not regarded as correct by native speakers of the language
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
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Word Origin and History for ungrammatical

1650s, from un- (1) "not" + grammatical. Related: Ungrammatically.

Online Etymology Dictionary, © 2010 Douglas Harper
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