Relating to or concerned with the art of rhetoric, or the skill of using language effectively and persuasively. The politician's rhetorical skills were evident in his compelling speech.
Expressed in language designed to persuade or impress, often with little substantive content or sincerity. The CEO's address was highly rhetorical, offering grand promises but few concrete details.
(of a question) asked merely for effect, with no answer expected. "Who cares?" is a rhetorical question that implies indifference rather than seeking a reply.