/ ˈeθɪkl; NAmE / adjective
1.
connected with beliefs and principles about what is right and wrong :
ethical issues / standards / questions
the ethical problems of human embryo research
2.
morally correct or acceptable :
Is it ethical to promote cigarettes through advertising?
ethical investment (= investing money in businesses that are considered morally acceptable)
► eth·ic·al·ly / -kli; NAmE / adverb :
The committee judged that he had not behaved ethically.