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Synonyms

ungrammatical

American  
[uhn-gruh-mat-i-kuhl] / ˌʌn grəˈmæt ɪ kəl /

adjective

  1. grammatically incorrect or awkward; not conforming to the rules or principles of grammar or accepted usage.

    an ungrammatical sentence.


ungrammatical British  
/ ˌʌnɡrəˈmætɪkəl /

adjective

  1. (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

Other Word Forms

Derived Forms

Etymology

Origin of ungrammatical

First recorded in 1645–55; un- 1 + grammatical

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Smothers died on Dec. 26, and that same day, a new book with a clunky and ungrammatical title became available on Amazon: “Tom Smothers: Revealing 4 Untold Truth About Half of Smothers Brother.”

From New York Times • Feb. 18, 2024

Nor does it explain how his social media presence, which was always ungrammatical and silly, has become even more unhinged and incoherent.

From Salon • Sep. 27, 2023

The wording is ungrammatical and occasionally combines ideas that might otherwise have been kept apart.

From The New Yorker • Aug. 12, 2018

Me and my ilks, she wrote in a purposely ungrammatical way, get set in our ways, too, and have expectations of a certain level of knowledge, decorum and protocol.

From Washington Post • Feb. 17, 2017

Would you like paper or conveniently? is ungrammatical, because conveniently is a modifier, and it’s a modifier that doesn’t work with like; you would never say Would you like conveniently?

From "The Sense of Style" by Steven Pinker

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