Something that is cold has a very low temperature or a lower temperature than is normal or acceptable.

If it is cold, or if a place is cold, the temperature of the air is very low.

Cold weather or low temperatures can be referred to as the cold .

If you are cold, your body is at an unpleasantly low temperature.

Cold food, such as salad or meat that has been cooked and cooled, is not intended to be eaten hot.

Cold colours or cold light give an impression of coldness.

A cold person does not show much emotion, especially affection, and therefore seems unfriendly and unsympathetic. If someone's voice is cold, they speak in an unfriendly unsympathetic way.

A cold trail or scent is one which is old and therefore difficult to follow.

If you say that someone is cold when they are trying to guess the answer to a question or puzzle, you mean that they are thinking about it in the wrong way and are going to give a wrong answer.

If you have a cold, you have a mild, very common illness which makes you sneeze a lot and gives you a sore throat or a cough.

If you catch cold, or catch a cold, you become ill with a cold.

If something leaves you cold, it fails to excite or interest you.

If someone is out cold, they are unconscious or sleeping very heavily.

If you say that a person, group, or country has been left out in the cold, you mean that they have been ignored by others rather than being invited to take part in some activity with them.