What do a.m. and p.m. stand for?


[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
  • But here, in prose, his style has collapsed into ungrammatical imprecision.
  • He spoke in an ungrammatical way and his intellectual poverty was quite apparent.
  • Thus, systems will be asked to handle real text that may include typographical errors and ungrammatical sentences.
  • In spontaneous conversations people sometimes use ungrammatical sentences because of nervousness or hesitation.
  • The mere presence of ungrammatical language will not render the statue ambiguous.
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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