The word 'unprincipled' carries a negative judgement and should be used carefully. The company's unprincipled strategy was criticized by the public.
Pro Tip 2/3
Strong Accusation
'Unprincipled' is a strong word implying a lack of integrity, so use it for serious ethical breaches. The lawyer's unprincipled tactics shocked the courtroom.
Pro Tip 3/3
Subtle Nuance
Use 'unprincipled' to suggest someone has knowingly abandoned moral standards. Despite her charm, she's quite unprincipled in business dealings.