"ethically indifferent," 1882, a hybrid formed from Greek privative prefix a- "not" (see a- (3)) + moral, that will be based on Latin. Initially used by Robert Louis Stephenson (1850-1894) as a differentiation from immoral.
- insufficient morals
Action, attitudes, condition or character which will be neither moral nor immoral, i.e., which is away from ethical realm. Neither right nor wrong. Ethically indifferent. Non-moral. Non-ethical. See Moral, Immoral, Ethics. -- A.J.B.