from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or dealing with ethics.
  • adj. Being in accordance with the accepted principles of right and wrong that govern the conduct of a profession. See Synonyms at moral.
  • adj. Of or relating to a drug dispensed solely on the prescription of a physician.
  • n. An ethical drug.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or relating to the study of ethics.
  • adj. Of or relating to the accepted principles of right and wrong, especially those of some organization or profession.
  • adj. Morally approvable, when referring to an action that affects others; good.
  • adj. Only dispensed on the prescription of a physician.
  • n. An ethical drug.

from The Century Dictionary and Cyclopedia

  • Relating to morals or the principles of morality; pertaining to right and wrong in the abstract or in conduct; pertaining or relating to ethics.
  • In a special sense, relating to medical ethics or in accord with the code of rules which guides physicians in their relations to one another and to their patients.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to the philosophical study of ethics
  • adj. conforming to accepted standards of social or professional behavior
  • adj. adhering to ethical and moral principles


from Wiktionary, Creative Commons Attribution/Share-Alike License

From ethic + -al, from Late Latin ethicus ("moral, ethical"), from Ancient Greek ἠθικός (ēthikos, "of or for morals, moral, expressing character"), from ἦθος (ēthos, "character, moral nature").


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  • An antonym would be unethical

    February 23, 2013