#trembling

• Act of shivering — The act of shivering or trembling and its result; a severe shuddering, physical restlessness, or involuntary chattering of teeth due to cold weather or fear. An extremely rare verbal noun typical to archaic dialects.
• Shivered — Shivering intensely, trembling with cold, seized by chills, or involuntarily agitated due to a great fright. Secondarily, in isolated rural subdialects, it describes a shaky, uncertain, and stuttering voice.