cold

adjective

• (of a thing) Having a low temperature.

  "A cold wind whistled through the trees."

• (of the weather) Causing the air to be cold.

  "The forecast is that it will be very cold today."

• (of a person or animal) Feeling the sensation of coldness, especially to the point of discomfort.

  "She was so cold she was shivering."

• Unfriendly, emotionally distant or unfeeling.

  "She shot me a cold glance before turning her back."

• Dispassionate, not prejudiced or partisan, impartial.

  "He's a nice guy, but the cold facts say we should fire him."

• Completely unprepared; without introduction.

  "He was assigned cold calls for the first three months."

• Unconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness.

  "After one more beer he passed out cold."

• (usually with "have" or "know" transitively) Perfectly, exactly, completely; by heart.

  "Keep that list in front of you, or memorize it cold."

• (usually with "have" transitively) Cornered, done for.

  "Criminal interrogation. Initially they will dream up explanations faster than you could ever do so, but when they become fatigued, often they will acknowledge that you have them cold."

• Not pungent or acrid.
• Unexciting; dull; uninteresting.
• Affecting the sense of smell (as of hunting dogs) only feebly; having lost its odour.

  "a cold scent"

• Not sensitive; not acute.
• Distant; said, in the game of hunting for some object, of a seeker remote from the thing concealed. Compare warm and hot.

  "You're cold … getting warmer … hot! You've found it!"

• Having a bluish effect; not warm in colour.
• Rarely used or accessed, and thus able to be relegated to slower storage.
• Without compassion; heartless; ruthless

  "I can't believe she said that...that was cold!"