Appealing to personal considerations rather than to logic or reason: Debaters should avoid ad hominem arguments that question their opponents' motives. (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 "ad hominem" in a sentence
"The following year, 1919, an all-out, ad hominem attack on Jellicoe appeared in The Battle of Jutland by Carlyon Bellairs."