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

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

But as Martin explains, its meaning has shifted away from that purely grammatical function. — Thom Harris, New York Times, 21 June 2026

The apostrophe is no longer only grammatical. — Gabriel Alin Zainescu, Forbes.com, 20 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