grammatical

adjective

gram·​mat·​i·​cal grə-ˈma-ti-kəl 

1

: of or relating to grammar

2

: conforming to the rules of grammar

a grammatical sentence

grammaticality

grə-ˌma-tə-ˈka-lə-tē 

noun

grammaticalness

grə-ˈma-ti-kəl-nəs 

noun

Examples of grammatical in a Sentence

That sentence is not grammatical.

Recent Examples on the Web

Editor’s Note: Please be mindful that this transcript does not go through our standard editorial process and may contain inaccuracies and grammatical errors. —Steve Bender, Southern Living, 30 Apr. 2025

The text messages are produced here verbatim, with spelling, syntax and grammatical errors intact. —Flint McColgan, Boston Herald, 25 Apr. 2025

Transcriptions of episodes of the Outside Podcast are created with a mix of speech recognition software and human transcribers, and may contain some grammatical errors or slight deviations from the audio. —Outside Online, 23 Apr. 2025

But the human brain routinely does this work nearly instantaneously based on the language’s grammatical rules, says linguist Andrea E. Martin of the Max Planck Institute for Psycholinguistics in the Netherlands. —Gayoung Lee, Scientific American, 14 Apr. 2025

Word History

Etymology

see grammar

First Known Use

1530, in the meaning defined at sense 1

Phrases Containing grammatical

• grammatical gender
• grammatical meaning

Rhymes for grammatical

• dogmatical
• fanatical
• sabbatical
• emblematical
• enigmatical
• kinematical
• mathematical
• problematical
• ungrammatical
• statical

Kids Definition

grammatical

adjective

gram·​mat·​i·​cal grə-ˈmat-i-kəl 

1

: of or relating to grammar

2

: conforming to the rules of grammar

a grammatical sentence

grammaticality

-ˌmat-ə-ˈkal-ət-ē 

noun

grammatically

-ˈmat-i-k(ə-)lē 

adverb

grammaticalness

-kəl-nəs 

noun