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.
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