# jackleg

> English word · Adjective

## Definitions
1. Amateur, untrained; incompetent.
2. Dishonest, unscrupulous.
3. Ineptly built or operated; makeshift.

## Etymology
From jack + leg. Compare blackleg (“a person who replaces striking workers; a cheater”) and such expressions as jack of all trades, every man jack.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jackleg