not set apart from others by visible marks; to make distinctive or discernible by exhibiting differences; to mark off by some characteristic.-to separate by definition of terms or logical division of a subject with regard to difference; as, to distinguish sounds into high and low.-to recognize or discern by marks, signs, or characteristic quality or qualities; to know and discriminate (anything) from other things with which it might be confounded; as, to distinguish the sound of a drum.-to constitute a difference; to make to differ.-to separate from others by a mark of honor; to make eminent or known; to confer distinction upon; -- with by or for.-to make distinctions; to perceive the difference; to exercise discrimination; -- with between; as, a judge distinguishes between cases apparently similar, but differing in principle.-to become distinguished or distinctive; to make one's self or itself discernible.