- The definition of unscrupulous is someone or something that is dishonest or immoral.
An example of unscrupulous behavior is when you copy someone's work behind his back and then take credit for it.
unscrupulous definition by Webster's New World
not scrupulous; not restrained by ideas of right and wrong; unprincipled
unscrupulous definition by American Heritage Dictionary
Devoid of scruples; oblivious to or contemptuous of what is right or honorable.
- un·scruˈpu·lous·ly adverb
- un·scruˈpu·lous·ness noun