the GNU version of the Collaborative International Dictionary of English
adj. Not scrupulous; unprincipled.
The Century Dictionary and Cyclopedia
Not scrupulous; having no scruples; regardless of principle; unprincipled.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. without scruples or principles
Word Usage
"Sadly, there is an industry of what we call unscrupulous agents operating around the world who sell advice on how to take advantage of Canada to break our laws, Kenny said."