What is Unscrupulous?
"Not" scrupulous; unrestrained by scruples; conscienceless; unprincipled.
You cheated on your test? You should be ashamed of your unscrupulous conduct.
See corrupt, crafty, crooked, deceitful, devious, dishonorable, immoral, ruthless, shady, sinister, unconscionable, underhanded, unethical, venal