<p><strong>Adjective</strong></p><ul><li>having a relatively low temperature; having little or no warmth: cold water; a cold day.</li><li>Synonyms: freezing, frozen, gelid, frigid.</li><li>Antonyms: hot.</li><li>feeling an uncomfortable lack of warmth; chilled: The skaters were cold.</li><li>having a temperature lower than the normal temperature of the human body: cold hands.</li><li>lacking in passion, emotion, enthusiasm, ardor, etc.; dispassionate: cold reason.</li><li>Synonyms: uninvolved, imperturbable, unconcerned, cool, indifferent.</li><li>Antonyms: emotional, warm.</li><li>not affectionate, cordial, or friendly; unresponsive: a cold reply; a cold reception.</li><li>Synonyms: unsympathetic, unfriendly, reserved, formal, polite, heartless, unfeeling, apathetic, hostile, inimical.</li><li>lacking sensual desire: She remained cold to his advances.</li><li>failing to excite feeling or interest: the cold precision of his prose.</li><li>Synonyms: uninspiring, dull.</li><li>unexcitable; imperturbable: cold impassivity.</li><li>Synonyms: deliberate, calm.</li><li>depressing; dispiriting: the cold atmosphere of a hospital waiting room.</li><li>unconscious because of a severe blow, shock, etc.: I knocked him cold with an uppercut.</li><li>lacking the warmth of life; lifeless: When the doctor arrived, the body was already cold.</li><li>faint; weak: The dogs lost the cold scent.</li><li>(in games) distant from the object of search or the correct answer.</li><li>Antonyms: warm.</li><li>Slang. (in sports and games) not scoring or winning; ineffective: Cold shooting and poor rebounding were their undoing.</li><li>Art. having cool colors, especially muted tones tending toward grayish blue.</li><li>being a cool color.</li><li>slow to absorb heat, as a soil containing a large amount of clay and hence retentive of moisture.</li><li>Metalworking. noting or pertaining to any process involving plastic deformation of a metal at a temperature below that at which recrystallization can occur because of the strain: cold working.</li></ul><p><strong>Noun</strong></p><ul><li>the relative absence of heat: Everyone suffered from the intense cold.</li><li>the sensation produced by loss of heat from the body, as by contact with anything having a lower temperature than that of the body: He felt the cold of the steel door against his cheek.</li><li>cold weather: He can't take the cold.</li><li>Also called common cold. a respiratory disorder characterized by sneezing, sore throat, coughing, etc., caused by an allergic reaction or by a viral, bacterial, or mixed infection.</li></ul><p><strong>Adverb</strong></p><ul><li>with complete competence, thoroughness, or certainty; absolutely: He learned his speech cold.</li><li>without preparation or prior notice: She had to play the lead role cold.</li><li>in an abrupt, unceremonious manner: He quit the job cold.</li><li>Metalworking. at a temperature below that at which recrystallization can occur (sometimes used in combination): to cold-hammer an iron bar; The wire was drawn cold.</li></ul>