[ 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.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Words nearby ungrammatical

Origin of ungrammatical

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

OTHER WORDS FROM ungrammatical

un·gram·mat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ungrammatical

British Dictionary definitions for ungrammatical

/ (ˌʌnɡrəˈmætɪkəl) /


(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