coalternate

adjective

co·​alternate

(ˈ)kō,

¦kō+

logic

: related so as to express alternatives which taken together exhaust the possibilities

—used of propositions and judgments

coalternation

(ˈ)kō+

noun

coalternative

¦kō+

adjective

Word History

Etymology

co- + alternate

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