Pleonasm: Rhetoric | Rhetorical device. The use of more words than are necessary to convey meaning (e.g. each and every, null and void, see with one's eyes), for emphasis. In oral communication, pleonasms can help ensure that the listener fully understands the message. When used consciously, pleonasms underline that their intention is plain and simple, crystal clear, that what they are saying has to be fully understood beyond the shadow of a doubt. Pleonasms require strong writing skills. They should to be used sparingly and consciously—otherwise they are just a sign of a bored, superficial writer unaware of Cliché | clichés.