An Athenian rhetorician, of a school that was an offshoot of the Sophists, and the whole merit of whose oratory depended upon style or literary finish and display; he is said to have starved himself to death after the battle of Cheronea at the age of 98 because he could not brook to outlive the humiliation of Greece by Philip of Macedon and the destruction of its freedom (436-338 B.C.).