jack

C2+ Topic:Technology & Computing

US /dʒæk/ UK /dʒæk/ See IPA manual

Minimal pairs

Sounds like jock /æ/ vs /ɑ/

Meanings

1

noun
a device for raising heavy objects; also, to raise or boost

He used a jack to lift the car and change the flat tire.

Thesaurus

Synonyms

1 noun · a device for raising heavy... hoist lift winch lever

Opposites

lower drop

Word family

Derived forms jackpotjackknife

Related forms jackscrew

Etymology

From the personal name 'Jack', a familiar form of 'John', long used generically for a common man, a labourer, or a mechanical device that does the work of a man; the lifting device is so named from this sense.

Topics

Technology & Computing

External links

# jack

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /dʒæk/
**IPA (UK):** /dʒæk/

## Meanings
1. a device for raising heavy objects; also, to raise or boost

## Examples
- He used a jack to lift the car and change the flat tire.

## Synonyms
- hoist
- lift
- winch
- lever

## Antonyms
- lower
- drop

## Derived Forms
- jackpot
- jackknife

## Related Forms
- jackscrew

## Etymology
From the personal name 'Jack', a familiar form of 'John', long used generically for a common man, a labourer, or a mechanical device that does the work of a man; the lifting device is so named from this sense.

## AI Etymology
Jack is from the personal name 'Jack', a familiar form of 'John', long used generically for a common man, a labourer, or a mechanical device that does the work of a man; the lifting device is so named from this sense. The current sense covers a device for raising heavy objects; also, to raise or boost. The wider family includes derived forms such as jackpot and jackknife and related words such as jackscrew.

## Topics
- Technology & Computing

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