unscrupulous
adjective
uk/ʌnˈskruːpjələs/ usbehaving in a way that is dishonest or unfair in order to get what you want:
unscrupulous dealers/employers/operators Counterfeit documents make it easier for unscrupulous employers to knowingly hire illegal workers.
We protect consumers by going after unscrupulous lenders or unscrupulous contractors or unscrupulous real estate agents.
unscrupulous businesses/companies/practices
unscrupulously
adverb
It is a problem when corporations wield market power unscrupulously.
unscrupulousness
noun [ U ]
His reputation for unscrupulousness compromised many of his achievements.