noun

1. The direction opposed to the pull of gravity.

   “Up is a good way to go.”

2. A positive thing.

   “I hate almost everything about my job. The only up is that it's so close to home.”

3. An upstairs room of a two story house.

   “She lives in a two-up two-down.”

verb

1. To increase or raise.

   “If we up the volume, we may be able to hear what he says.”

2. To promote.

   “It wasn’t long before they upped him to Vice President.”

3. (usually in combination with another verb) To act suddenly.

   “He just upped and quit.”

Synonyms: turn up