Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “tune up something”

tune up something

verb [T] phrasal verb with tune  /tun/ us  

(ADJUST)

to adjust something, esp. an engine, so it works as effectively as possible: I haven’t tuned my car up in two years.
(Definition of tune up something phrasal verb, verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of tune up something?
Add Cambridge dictionaries to your browser to your website

Word of the Day

stampede

When animals or people stampede, they all move quickly in the same direction, often because they are frightened.

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