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amoral vs. immoral

amoral

[ey-mawr-uhl, a-mawr-, ey-mor-, a-mor-] / eɪˈmɔr əl, æˈmɔr-, eɪˈmɒr-, æˈmɒr- /

adjective

not involving questions of right or wrong; without moral quality; neither moral nor immoral.
having no moral standards, restraints, or principles; unaware of or indifferent to questions of right or wrong.

a completely amoral person.

immoral

[ih-mawr-uhl, ih-mor-] / ɪˈmɔr əl, ɪˈmɒr- /

adjective

violating moral principles; not conforming to the patterns of conduct usually accepted or established as consistent with principles of personal and social ethics.
licentious or lascivious.