Synonyms of unprincipled in English:

unprincipled

adjective

  • he is an unprincipled opportunist
    immoral, unethical, unscrupulous, amoral, dishonourable, reprobate, dishonest, unprofessional, deceitful, devious, corrupt, corrupted, dissolute, underhand, crooked, bad, wicked, evil, villainous, roguish, shameless, sinful, ignoble, base, low, degenerate, sordid
    archaic dastardly
    [Antonyms] principled, ethical
  • Definition of unprincipled in:

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    Word of the day deictic
    Pronunciation: ˈdeɪktɪk
    adjective
    denoting a word whose meaning depends on context...