다운

Meaning

1. 1.

   being down; being depressed — (slang) A state of losing one's will, interest, energy, etc., due to exhaustion from work or experiencing of unfortunate events.

2. 2.

   knockdown — In a boxing match, a state in which a boxer falls down after being struck by his/her opponent.

3. 3.

   being down; failure — A state in which a computer system stops working temporarily due to a problem.