Violating a rule or an accepted practice; erring.(adjective)
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.
Use "peccant" in a sentence
"Nothing is safe from this porcelain peccant pilferer, this corrupt criminal crockery, for the moment you turn your back, this amazing Ash Tray will abscond with all your electronic posessions and sell them on ebay."
"Yesterday, he by severe cross-examination extracted from Lord MORLEY admission of personal knowledge of what are known as the peccant paragraphs in document handed on behalf of War Office to General GOUGH."
"If a person has an abscess, the medical man will say that it contains "peccant" matter, and people say that they have a "bad" arm or finger, or that they are very "bad" all over, when they only mean "diseased.""