Jack

4 lettersnouncommon

Updated June 2026

Definition

A device for lifting heavy objects or a playing card with a picture of a young man.

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

Pronunciation

IPA

/dʒæk/

Related Words

Synonyms

lever knave

Word Game Tips

🟩

Wordle

Double consonant ending, one vowel makes it tricky.

🔤

Scrabble

Worth 17 points with the J, very valuable.

Words Related to Jack

Words one letter different

Change a single letter of “jack” to make these 4-letter words — useful for Wordle and crossword clues.

back cack hack jock lack pack rack

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “jack”.

jacko jacks jacky

Longer words starting with Jack

Words that begin with “jack”.

jacko jacks jacky jacket jackie jackets jackson jacksonville

Explore Similar Words

4-letter words starting with J 4-letter words ending with K All 4-letter words 5-letter words All word lists

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Dictionary References

Look up jack in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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