v. 1 tr. (often foll. by from) a see or point out the difference of; draw distinctions (cannot distinguish one from the other). b constitute such a difference (the mole distinguishes him from his twin). c draw distinctions between; differentiate. 2 tr. be a mark or property of; characterize (distinguished by his greed). 3 tr. discover by listening, looking, etc. (could distinguish two voices). 4 tr. (usu. refl.; often foll. by by) make prominent or noteworthy (distinguished himself by winning first prize). 5 tr. (often foll. by into) divide; classify. 6 intr. (foll. by between) make or point out a difference between. distinguishable adj.
[ F distinguer or L distinguere (as DIS-, stinguere stinct- extinguish): cf. EXTINGUISH ]