stack up
phrasal verb with stack verb [ T ] uk/stæk/ us
to produce a particular result or impression:
How do the three project proposals and their financing stack up?
stack up against sth What most firms want to know is how they stack up against their competitors.
FINANCE, ACCOUNTING
if accounts, prices, figures, etc. stack up, they seem to be accurate or show that something is worth buying or investing in:
The economics of buying US retail and commercial banking businesses do not stack up.
to increase in number or amount:
Problems in the industry have stacked up in recent months.