Synonyms of unprincipled in English:

unprincipled

adjective

  • 1 he is an unprincipled opportunist
    immoral, unethical, amoral, unscrupulous, Machiavellian, dishonorable, dishonest, deceitful, devious, corrupt, crooked, wicked, evil, villainous, shameless, base, low; libertine, licentious
    [Antonyms] ethical
  • Definition of unprincipled in:

    Get more from Oxford Dictionaries

    Subscribe to remove adverts and access premium resources

    Word of the day flippant
    Pronunciation: ˈflɪp(ə)nt
    adjective
    not showing a serious or respectful attitude