Characterized by or causing dishonor or discredit.(adjective)
Lacking integrity; unprincipled.(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 "dishonorable" in a sentence
""Not quite yet, sir" -- Harry jumped before the door; "you give me the alternative of being what I call dishonorable or losing the woman I love!""
"What makes that egregious and selfish act more serious than just disgustingly dishonorable is that those fake awards are used to justify and back up applications for employment or appointment, for winning political office, and even claims for veteran's benefits - including government medical treatment for post-traumatic stress syndrome."
"She seems to think becoming vicious and dishonorable, is taking the heat .... when they are the tactics of someone who has nothing else in their personal arsenal."