Define, to explain the meaning, to describe the distinctive properties of sth., to describe: “d., d., well-educated infant,” LLL I, 2, 99. “to d. true madness, what is't but to be nothing else but mad?” Hml. II, 2, 93. “and for myself mine own worth do d., as I all other in all worths surmount,” Sonn. 62, 7. “behold, as may unworthiness d., a little touch of Harry,” H5 IV Chor. H5 IV Chor.