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Added 9 October 2026

jack

/ˈd͡ʒæk/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about jack at Wordnik → Where our words come from →

A small worthless amount.
you don't know jack
A man who serves as a sailor.
Someone who works with their hands; someone engaged in manual labor.

verb

Lift with a special device.
jack up the car so you can change the tire
Hunt with a jacklight.

Origin

Inherited from Middle English jakke, from Anglo-Norman jacke, Middle French jaque, jacque, from jacques (“peasant”), from the proper name Jacques. Compare jacquerie.

From Wiktionary, via Kaikki.org (CC BY-SA)

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