Sublevation \Sub`le*va"tion\, n. [L. sublevare to lift up; sub under + levare to lift, raise: cf. L. sublevatio an allevation.] 1. The act of raising on high; elevation. --Sir T. More. [1913 Webster] 2. An uprising; an insurrection. [R.] --Sir W. Temple. [1913 Webster]