petrified, scared stiff, frightened out of one's wits, scared out of one's wits, scared witless, frightened to death, scared to death, terror-stricken, terror-struck, horror-stricken, horror-struck, paralysed with fear, horrified, panic-stricken, with one's heart in one's mouth, shaking in one's shoes, shaking like a leaf, frantic, hysterical, beside oneself