‖or ‖/mhw>, n. [ Turk. aghā a great lord, chief master. ] In Turkey, a commander or chief officer. It is used also as a title of respect. [ 1913 Webster ]

or v. t. To affright; to terrify. [ Obs. ] Chaucer. Spenser. [ 1913 Webster ]

v. t. See Agast, v. t. [ Obs. ] [ 1913 Webster ]

a. & p. p. [ OE. agast, agasted, p. p. of agasten to terrify, fr. AS. pref. ā- (cf. Goth. us-, G. er-, orig. meaning out) + g&unr_;stan to terrify, torment: cf. Goth. usgaisjan to terrify, primitively to fix, to root to the spot with terror; akin to L. haerere to stick fast, cling. See Gaze, Hesitate. ] Terrified; struck with amazement; showing signs of terror or horror. [ 1913 Webster ]

Aghast he waked; and, starting from his bed,
Cold sweat in clammy drops his limbs o'erspread. Dryden. [ 1913 Webster ]

The commissioners read and stood aghast. Macaulay. [ 1913 Webster ]