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Definition of grin

grin

/ɡrɪn/
grin
Adverb:grinningly
•
Plural:grins
•
Adjective:grinning
•
Past Simple:grinned
•
Past Participle:grinned
•
Present Participle:grinning
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grin Lexical Profile

grin Game Scores & Validity

• noun

1

A broad smile in which the lips are drawn back to reveal the teeth, typically expressing amusement, pleasure, or mischief.

Example

"A wide grin spread across his face when he heard the good news."

Synonyms
View all synonyms for grin
Antonyms
View all antonyms for grin

• verb

1

To smile broadly, drawing back the lips so as to show the teeth.

Example

"The children grinned happily as they opened their birthday presents."

2

To draw back the lips and bare the teeth in pain, anger, or effort.

Example

"The wild dog grinned fiercely, exposing its sharp fangs to warn off intruders."

Synonyms
View all synonyms for grin
Antonyms
View all antonyms for grin

• Rhymes for grin

• Nearby Words

grimness
grimoire
grimy
grin
grinch
grind
grindelia

Word Origin & Etymology

From Old English 'grennian', meaning to bare the teeth in pain, anger, or grimace; the modern sense of smiling broadly in amusement or pleasure developed during the late 15th century.

Cite this Entry

Wordmom. (2026). Definition of Grin. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/grin
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