Synonyms and related words :
aghast, appalled, ashen, astounded, awed, awestricken, awestruck, blanched, cowed, deadly pale, frozen, gray with fear, horror-struck, intimidated, pale as death, pallid, paralyzed, petrified, scared stiff, scared to death, stunned, stupefied, terrified, terror-crazed, terror-haunted, terror-ridden, terror-riven, terror-shaken, terror-smitten, terror-struck, terror-troubled, undone, unmanned, unnerved, unstrung