What is in an extreme degree; to the point of dying or causing death; desperately; as, mortally jealous. Adrian mortally envied poets, painters, and artificers, in works wherein he had a vein to excel. Bacon called?

mortally — In an extreme degree; to the point of dying or causing death; desperately; as, mortally jealous. Adrian mortally envied poets, painters, and artificers, in works wherein he had a vein to excel. Bacon. (Webster's 1913.)

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