Entry 1 sense Webster, 1913 Impregn · Im·pregn · IPA /ɪmˈpɹiːn/ 01 v. t. To impregnate; to make fruitful. 1. To impregnate; to make fruitful.[Obs.] “His pernicious words, impregned With reason.” — Milton. “Semele doth Bacchus bear Impregned of Jove.” — Dr. H. More.