back slang

noun

: a secret language in which each word is pronounced exactly or approximately as if spelled backwards (such as nam for man or nird for drink)

Cockney back slang

Word History

First Known Use

1860, 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