cold

adjective:having low temperature, especially when compared with the human body
- The water in the lake is too cold for swimming today.
adjective:lacking affection or warmth of feeling; unemotional
- She gave him a cold, hard stare.
noun:cold weather
- Don't go out in the cold without a coat.
noun:a common viral infection in which the mucous membrane of the nose and throat becomes inflamed, typically causing a runny nose, sneezing, and a sore throat
- He stayed home from work because he had a bad cold.