[eth.i.cal] also eth.ic adj [ME etik, fr. L ethicus, fr. Gk ethikos, fr. ethos character--more at sib] (1607) 1: of or relating to ethics
2: involving or expressing moral approval or disapproval
3: conforming to accepted professional standards of conduct
4. of a drug: restricted to sale only on a doctor's prescription syn see moral -- eth.i.cal.i.ty n -- eth.i.cal.ly adv -- eth.i.cal.ness n