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

Reinhardt’s reporting points to the overuse of grammatical structures and specific words, such as serene or careful, which LLM’s tend to use more frequently than humans. — Bon Appétit, Bon Appetit Magazine, 16 Oct. 2026

Learning unfamiliar sounds, vocabulary and grammatical patterns requires the brain to form and strengthen connections. — Karen Stollznow, The Conversation, 18 Sep. 2026

At times the book reads like a bold linguistic experiment, an attempt to discover the absolute minimum level of evocation that can be achieved by what are technically grammatical English sentences. — Matthew Walther, The Atlantic, 20 July 2026

This is an unprecedented timeline, Reynolds says, as there were no story edits or grammatical changes. — Clare Mulroy, USA Today, 27 June 2026

Word History

Etymology

borrowed from Middle French and Late Latin; Middle French grammaticale, borrowed from Late Latin grammaticālis, from Latin grammatica grammar + -ālis -al entry 1

First Known Use

1530, in the meaning defined at sense 1

Phrases Containing grammatical

• grammatical gender
• grammatical meaning

Rhymes for grammatical

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

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