add up

verb

added up; adding up; adds up

intransitive verb

1
a
: to come to the expected total
the bill doesn't add up
b
: to form an intelligible pattern : make sense
her story just doesn't add up
2
a
: amount sense 1b
used with to
the play adds up to a lot of laughs
b
: to amount to a lot
just a little each time, but it all adds up

transitive verb

: to form an opinion of
added him up at a glance

Examples of add up in a Sentence

whether we take the 4:00 train or the 4:15 bus, it adds up to the same thing: they both get us back too late even if we pool all our money, it won't add up to enough to rent a beach house for a week
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One of the best parts of summer is the abundance of frozen treats — but those trips to the ice cream shop can start to add up. Clara McMahon, People.com, 11 July 2025 All in all, the game is loaded across the board with minor upgrades that add up to a lot, along with a few actual big changes. Chris Vannini, New York Times, 10 July 2025 Spending on groceries in general added up to an average of $34 per day, the data showed. Sharon Udasin, The Hill, 10 July 2025 These changes can be simple, everyday habits that add up over time.1 People who smoke have a higher risk of developing atherosclerosis, a condition that occurs when your blood vessels become stiff and narrow due to plaque buildup. Alexandria Nyembwe, Health, 9 July 2025 See All Example Sentences for add up

Word History

First Known Use

1850, in the meaning defined at intransitive sense 2

Time Traveler
The first known use of add up was in 1850

Browse Nearby Words

Cite this Entry

“Add up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add%20up. Accessed 17 Jul. 2025.

Kids Definition

add up

verb
1
a
: to come to a total and especially the expected total
b
: to make sense
her story just doesn't add up
2
: to amount to a lot
just a little each time, but it all adds up

More from Merriam-Webster on add up

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!