Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “add up”

add up

verb [I/T] phrasal verb with add  /æd/ us  

(INCREASE)

to increase gradually until there is a large amount: The changes in air quality are small, but after a while they do add up and affect people's health.
(Definition of add up phrasal verb, verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of add up?
Add Cambridge dictionaries to your browser to your website

Definitions of “add up” in other dictionaries

Word of the Day

improvisation

a performance that an actor, musician, etc. has not practised or planned

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More