Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “grow up”

grow up

phrasal verb with grow     /ɡrəʊ/ verb (past tense grew, past participle grown)
BECOME ADULT A2 to become older or an adult: She grew up in New York.Young peoplePhysically and mentally mature and immature
DEVELOP to develop or become bigger or stronger: A close friendship had grown up between them.Enlarging and inflatingBecoming bigger
(Definition of grow up from the Cambridge Learner's Dictionary © Cambridge University Press)

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

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