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Definition of jag

jag

/dʒæɡ/
jag

Plural:jags
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Adjective:jagged
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Past Simple:jagged
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Past Participle:jagged
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Present Participle:jagging
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jag Lexical Profile

jag Game Scores & Validity

• noun

1

North American A spell or bout of unrestrained indulgence in an activity, emotion, or state (such as crying or drinking).

Example

"After hearing the disappointing news, she went on a long crying jag before regaining her composure."


2

A sharp, tooth-like projection, point, or notch, such as on a rock or a torn edge.

Example

"He caught his jacket sleeve on a sharp jag of metal protruding from the fence."


3

Scottish A sharp prick, stab, or medical injection (such as a vaccination).

Example

"The nurse reminded him to book his appointment for the annual flu jag before winter arrived."

Synonyms
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• verb

1

To prick, stab, or pierce with a sharp point; to cut or tear unevenly so as to leave jagged edges.

Example

"The thorny brambles jagged his bare arms as he cleared the overgrown garden path."


2

To move or turn sharply and abruptly in a new direction.

Example

"The narrow hiking trail jags sharply to the left just before reaching the ridge."

Synonyms
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• Rhymes for jag

Word Origin & Etymology

Dating back to the late 14th century as Middle English 'jagge' (meaning a slash in a garment or a sharp point), the word is of uncertain, likely expressive or imitative origin. The informal sense of a bout of drinking or emotional indulgence emerged in 19th-century American slang from an older dialect sense meaning a small load of hay or liquor.

Cite this Entry


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