Im-prŏb'i-ty, n.

n. [Fr. improbité, Sp. improbidad, It. improbità, Lat. improbitas; prefix im, for in, not, and probitas, probity.] Absence of probity; want of integrity or rectitude of principle; dishonesty.

Persons excommunicable, yea, and cast out for notorious improbity. Hooker.