Definitions

1. noun

A person or thing that walks up or is a walk-up.

“The walkup apartment building had a beautiful view of the city.”

2. noun

A person who walks up to a location, especially to a baseball stadium to get tickets or to meet a player.

“The walkup at the ballpark was excited to get an autograph from his favorite player.”

3. verb

to walk up or climb up, especially to a high place.

“She had to walkup the long staircase to reach the top floor of the hotel.”

4. verb

to increase in price or value.

“The stocks continued to walkup in price throughout the day.”