scruple

Universal Words noun, verb noun [C,usually pl.,U] a feeling that prevents you from doing sth that you think may be morally wrong: I overcame my moral scruples. * He had no scruples about spying on her. * She is totally without scruple. verb [Vtoinf] (not scruple to do sth) (formal) to be willing to do sth even if it might be wrong or immoral