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Webster 1913 Edition

Noun.

[L.

indevotio

: cf. F.

indévotion

Lack of devotion; impiety; irreligion.

“An age of indevotion.”

Jer. Taylor.

Noun.

Want of devotion; absence of devout affections.

indevotion ‎(uncountable)

(archaic) Want of devotion; impiety; irreligion.
An age of indevotion. — Jeremy Taylor.