1
a
: spree
a crying jag
b
: a state or feeling of exhilaration or intoxication usually induced by liquor
2
: a small load

jag

2 of 4

noun (2)

: a sharp projecting part : barb

jag

3 of 4

verb

jagged; jagging

intransitive verb

1
: to move in jerks
2

transitive verb

1
: to cut indentations into
also : to form teeth on (a saw) by cutting indentations
2
chiefly dialectal : prick, stab
jagger noun

JAG

4 of 4

abbreviation

judge advocate general

Examples of jag in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
There’s the deep sea portion—the Davy Jones’ Locker realm where only top-secret missions and movie directors on submarine jags dare venture. IEEE Spectrum, 5 Dec. 2024

Word History

Etymology

Noun (1)

origin unknown

Verb

Middle English jaggen

First Known Use

Noun (1)

1597, in the meaning defined at sense 2

Noun (2)

1578, in the meaning defined above

Verb

15th century, in the meaning defined at transitive sense 2

Time Traveler
The first known use of jag was in the 15th century

Browse Nearby Words

Cite this Entry

“Jag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jag. Accessed 28 Mar. 2025.

Kids Definition

: a sharp pointed part

jag

2 of 2 noun
: spree
a crying jag

Legal Definition

JAG

abbreviation
judge advocate general

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