Self-interested (don’t care).
Jack
JAK
dʒak
Adjective
Example Sentences
"He's proper jack."
"Don't be jack."
Etymology & History
British military term for selfish. Jack (only for oneself).
Word Details
📍
Region
United Kingdom
📅
Era
1900s
✓
Language
mild
💬
Formality
informal
Learn Another Word
🔀 Shuffle & Discover
Anglotopia's Dictionary of British English 2nd Edition
British Slang from A to Zed
By Jonathan Thomas
📚 Over 2,000+ British Slang Definitions!