Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “foster”

See all translations

foster

verb uk   /ˈfɒs.tər/ us    /ˈfɑː.stɚ/

foster verb (TAKE CARE OF)

[I or T] to take care of a child, usually for a limited time, without being the child's legal parent: Would you consider fostering (a child)?
Compare

foster verb (ENCOURAGE)

[T] to encourage the development or growth of ideas or feelings: I'm trying to foster an interest in classical music in my children. They were discussing the best way to foster democracy and prosperity in the former communist countries.

foster

adjective [before noun] uk   /ˈfɒs.tər/ us    /ˈfɑː.stɚ/
used to refer to someone or something connected with the care of children, usually for a limited time, by someone who is not the child's legal parent: a foster care/home/child/mother She was taken into care by the local council and placed with a foster family. As a child, he had lived with a succession of foster parents.
(Definition of foster from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of foster?
Add Cambridge dictionaries to your browser to your website

Definitions of “foster” in other dictionaries

Word of the Day

cold snap

a short period of cold weather

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More