Synonyms of 'aghast'

afraid, agape, agog, amazed, anxious, ashen, awed, awestricken, breathless, confounded, dumbstruck, fearful, frightened, frozen, horrified, horror-struck, open-eyed, pallid, popeyed, scary, spellbound, terror-struck, thunderstruck, undone, unmanned, unstrung, wide-eyed, wondering