Horror A bristling up; a rising into roughness; tumultuous movement.
Horror A shaking, shivering, or shuddering, as in the cold fit which precedes a fever; in old medical writings, a chill of less severity than a rigor, and more marked than an algor.
Horror A painful emotion of fear, dread, and abhorrence; a shuddering with terror and detestation; the feeling inspired by something frightful and shocking.
Horror That which excites horror or dread, or is horrible; gloom; dreariness.
horror something that inspires horror; something horrible; "the painting that others found so beautiful was a horror to him"