Frazzle

Part of speech: noun (n.)

The act or result of frazzling; the condition or quality of being frazzled; the tag end; a frayed-out end. [Prov. Eng. & U. S.]

Part of speech: verb (v.)

To fray; to wear or pull into tatters or tag ends; to tatter; - -used literally and figuratively. [Prov. Eng. & U. S.]