unpenetrated

adjective

un·​penetrated

"+

: not penetrated

Word History

Etymology

un- entry 1 + penetrated, past participle of penetrate

First Known Use

1669, 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