evangelical: adj. & n. --adj. 1 of or according to the teaching of the gospel or the Christian religion. 2 of the Protestant school maintaining that the doctrine of salvation by faith in the Atonement is the essence of the gospel. --n. a member of the evangelical school. øøevangelicalism n. evangelically adv. [eccl.L evangelicus f. eccl.Gk euaggelikos (as EVANGEL)]