mortacious

adverb

mor·​ta·​cious

mȯrˈtāshəs

dialectal, England

: extremely, terribly

Word History

Etymology

probably from mort entry 6 + -acious (as in audacious)

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