Search
Select the dictionary language
to stack up
[phrase form: stack]
01
to neatly arrange objects, usually in a vertical arrangement, forming piles
Transitive: to stack up sth
Grammatical Information
Composition
phrasal
action verb
regular
separable
particle
up
base verb
stack
present tense
stack up
3rd person singular
stacks up
present participle
stacking up
past simple
stacked up
past participle
stacked up
Examples
The librarian worked diligently to stack up the returned books in their designated places on the shelves.
02
(of aircraft) to fly over an airport at different heights, waiting for specific landing instructions
Intransitive
Transitive: to stack up an aircraft
Examples
Due to heavy air traffic, planes had to stack up over the airport, causing delays in landing.
