sophistic noun 1adjective 1 noun1 •(historical) The supposed beliefs and methods of the Sophists, taken as a kind of school of thought.Rather, to use Whitman’s phrase, Sophokles “thought through” a great deal more of the sophistic than their attacks on religion or their fascination with religion. — 1995 adjective1 •Synonym of sophistical, of or related to the ancient Sophists, characterized by fallacious reasoning.