Noun | 1. | moral principle - the principles of right and wrong that are accepted by an individual or a social group; "the Puritan ethic"; "a person with old-fashioned values" principle - a rule or standard especially of good behavior; "a man of principle"; "he will not violate his principles" Chartism - the principles of a body of 19th century English reformers who advocated better social and economic conditions for working people |
2. | moral principle - the principle that conduct should be moral categorical imperative - the moral principle that behavior should be determined by duty |