To damage the reputation, character, or good name of by slander or libel. See Synonyms at malign.(verb-transitive)
Archaic To disgrace.(verb-transitive)
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 "defame" in a sentence
"Can Ms. Moore "defame" Mrs. Palin through the medium of dance, for example?"
"Would the senator make it a crime to "defame" the flag?"
"Those restrictions included jail for journalists who "defame" the president, government or army."