Adelphian

noun

Adel·​phi·​an

ə-ˈdel-fē-ən

plural -s

: euchite

Word History

Etymology

Adelphius, an early leader of the sect + English -an

First Known Use

1834, 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