Meanings
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1
noun
a sharp projection or rough point on an edge or surface
A jag of rock tore the climber's sleeve.
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2
noun
a short period of excessive activity, emotion, drinking, or drug use
He went on a late-night spending jag.
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3
verb
to cut or make an edge into sharp projections
The broken blade jagged the edge of the cloth.
Thesaurus
Etymology
Circa 1597; originally "load of broom or furze", variant of British English dialectal chag (“tree branch; branch of broom or furze”), from Old English ċeacga (“broom, furze”), from Proto-Germanic *kagô (compare dialectal German Kag (“stump, cabbage, stalk”), Swedish dialect kage (“stumps”), Norwegian dialect kage (“low bush”), of unknown origin.