defalcation n the sum of money that is misappropriated n the fraudulent appropriation of funds or property entrusted to your care but actually owned by someone else Usage(s) Last month a jury pronounced Treasurer Baldwin guilty of perjury by falsifying bank statements to cover up the defalcation. They decided that they had to share a collective responsibility for not having discovered the defalcation earlier. No danger was there of defalcation, however. Synonym(s) embezzlement peculation misapplication misappropriation