Having no value, use, merit, or virtue.(adjective)
One that is worthless.(noun)
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 "no-good" in a sentence
"Humphries' tip-in at the buzzer was reviewed and called no-good."
"Republicans are turning into a rowdy bunch of no-good louts."
"On this date, in 1882, Jesse James was shot in the back and killed by the no-good coward, R"