Artificial intelligent assistant

ghast

I. ghast, a. arch. or poet.
    (gɑːst, -æ-)
    [A back-formation from ghastful or ghastly.]
    = ghastly a.

1622 Bp. Andrewes Serm., Of Repent. vi. (1631) 233 The looke of a wilde-beast..grimme and ghast. 1807 Byron Elegy Newstead Abb. xxi, There many a pale and ruthless robber's corse, Noisome and ghast, defiles thy sacred sod. 1844 Mrs. Browning Drama of Exile Poems 1850 I. 37 How doth the wide and melancholy earth Gather her hills around us, grey and ghast. 1866 S. Bamford Wild Rider in Harland Lanc. Lyrics 15 Fearfully ghast was the light which it threw.

II. ghast
    var. gast v.1, Obs., to frighten.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC bc08e8fa5b9512ac1b8308f8328bd069