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Webster 1913 Edition

Demonian

De-mo′ni-an

,

Adj.

Relating to, or having the nature of, a demon.

“Demonian spirits.”

Milton.

Definition 2024

demonian

demonian

English

Adjective

demonian ‎(comparative more demonian, superlative most demonian)

Relating to, or having the nature of, a demon.
Demonian spirits. — Milton.