Definition of "improbity" [im•prob•i•ty]

• Lack of probity; dishonesty. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It had a peculiar sensitivity to certain stimuli, and he felt a sensation in its roots whenever he encountered prevarication, deception, or any degree of improbity."
• "We are pressed by our very nature into the service of virtue; our souls are up in arms against vice and improbity, and thus we receive lasting impressions, which, when our hearts are not very corrupt, must forever after have a favourable influence on our moral conduct."
• "Howat was hot and cold, and possessed by a subtle sense of improbity, a feeling resembling that of a doubtful advance through the dark, for a questionable end."