bad hat

noun

slang, British

: a disreputable dissolute person : bad egg

the man is a bad hat, a swindler or worse

—Joyce Cary

Word History

First Known Use

1884, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now