1. (noun)cold, common cold a mild viral infection involving the nose and respiratory passages (but not the lungs) "will they never find a cure for the common cold?"
2. (noun)coldness, cold, low temperature, frigidity, frigidness the absence of heat "the coldness made our breath visible"; "come in out of the cold"; "cold is a vasoconstrictor"
3. (adj)cold, coldness the sensation produced by low temperatures "he shivered from the cold"; "the cold helped clear his head"
4. (adj)cold having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration "a cold climate"; "a cold room"; "dinner has gotten cold"; "cold fingers"; "if you are cold, turn up the heat"; "a cold beer"
5. (adj)cold extended meanings; especially of psychological coldness; without humanwarmth or emotion "a cold unfriendly nod"; "a cold and unaffectionate person"; "a cold impersonal manner"; "cold logic"; "the concert left me cold"
6. (adj)cold having lostfreshness through passage of time "a cold trail"; "dogs attempting to catch a cold scent"
Definition of 'cold' 
