Meaning of the word "stack up" in English

What does "stack up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

stack up

US /stæk ʌp/
UK /stæk ʌp/
"stack up" picture

Phrasal Verb

1.

to compare with something else in terms of quality or performance

Example:
•
How does the new model stack up against its competitors?
•
His arguments don't really stack up when you look at the facts.
2.

to accumulate or increase in amount over time

Example:
•
The bills started to stack up after he lost his job.
•
Unread emails quickly stack up if you don't deal with them daily.