en·nui (ahn-wee)
n. Listlessness and dissatisfaction resulting from lack of interest; boredom: "The servants relieved their ennui with gambling and gossip about their masters" (John Barth).

cold (kold)
adj. (cold·er, cold·est) Having a low temperature. Having a temperature lower than normal body temperature. Feeling no warmth; uncomfortably chilled. Marked by deficient heat: a cold room. Being at a temperature that is less than what is required: cold oatmeal. Chilled by refrigeration or ice: cold beer. Lacking emotion; objective: cold logic. Having no appeal to the senses or feelings: a cold decor. Not affectionate or friendly; aloof: a cold person; a cold nod. Exhibiting or feeling no enthusiasm: a cold audience; a cold response to the new play; a concert that left me cold. Devoid of sexual desire; frigid. Designating a tone or color, such as pale gray, that suggests little warmth. Having lost all freshness or vividness through passage of time: dogs attempting to catch a cold scent. Marked by or sustaining a loss of body heat: cold hands and feet. Appearing to be dead; unconscious. Dead: was cold in his grave. Marked by unqualified certainty or sure familiarity. So intense as to be almost uncontrollable: cold fury. Characterized by repeated failure, especially in a sport or competitive activity: The team fell into a slump of cold shooting.
adv. To an unqualified degree; totally: was cold sober. With complete finality: We turned him down cold. Without advance preparation or introduction: took the exam cold and passed; walked in cold and got the new job.
n. Relative lack of warmth. The sensation resulting from lack of warmth; chill. A condition of low air temperature; cold weather: went out into the cold and got a chill. A viral infection characterized by inflammation of the mucous membranes lining the upper respiratory passages and usually accompanied by malaise, fever, chills, coughing, and sneezing. Also called common cold, coryza.