<p><strong>Noun</strong></p><ul><li>Coldness, especially a moderate but uncomfortably penetrating coldness: the chill of evening</li><li>A sensation of cold, usually with shivering: She felt a slight chill from the open window</li><li>A feeling of sudden fear, anxiety, or alarm</li><li>Sudden coldness of the body, as during the cold stage of an ague: fevers and chills</li><li>A depressing influence or sensation: His presence cast a chill over everyone</li><li>Lack of warmth of feeling; unfriendliness; coolness</li><li>Foundry: an inserted object or a surface in a mold capable of absorbing large amounts of heat, used to harden the surface of a casting or to increase its rate of solidification at a specific point</li></ul><p><strong>Adjective</strong></p><ul><li>Moderately cold; tending to cause shivering; chilly: a chill wind</li><li>Shivering with or affected by cold; chilly</li><li>Depressing or discouraging: chill prospects</li><li>Slang: cool</li><li>Unduly formal; unfriendly; chilly: a chill reception</li><li>Synonyms: stiff, hostile, aloof, cold</li></ul><p><strong>Verb</strong></p><ul><li>(Used without object) to become cold: The earth chills when the sun sets</li><li>To be seized with a chill; shiver with cold or fear</li><li>Foundry: (of a casting) to become hard on the surface by contact with a chill or chills</li><li>Slang: to calm down; relax (often followed by out)</li></ul><p><strong>Verb</strong></p><ul><li>(Used with object) to affect with cold; make chilly: The rain has chilled me to the bone</li><li>To make cool: Chill the wine before serving</li><li>To depress; discourage; deter: The news chilled his hopes</li><li>Foundry: to harden the surface of (a casting) by casting it in a mold having a chill or chills</li><li>Slang: to kill; murder</li></ul>