add up
phrasal verbadd up (informal)
- (especially in negative sentences) to seem reasonable; to make sense
- His story just doesn't add up.
- (especially in negative sentences) (of numbers) to make a total that seems reasonable or is useful
- We can't sponsor this project. The figures simply don't add up.
- to increase by small amounts until there is a large total
- When you're feeding a family of six the bills soon add up.
add up | add something up
- to calculate the total of two or more numbers or amounts
- The waiter can't add up.
- Add up all the money I owe you.