Skip to main content
Glite Dictionary
foster-brother

foster-brother

1 4.3
A boy or man who is not a blood relative but is raised as part of your family
  • noun
  • /ˈfɔstər ˈbrʌðər/
translation icon : hermano de crianza
  • She considers her foster-brother to be one of her closest friends.

Examples

  • After his parents adopted Sam, he became my foster-brother.

  • Although we are not related by blood, my foster-brother and I grew up together.

  • My foster-brother and I grew up together.

  • Do you have a foster-brother?

  • My foster brother and I grew up together in the same household.

  • He treats his foster brother as if they were biological siblings.

  • At family gatherings, we always invite my foster brother to join us.

Synonyms

foster brother
vsfoster-brother
4 3.6

A boy or man who your parents raise in your family though not born to them

is broader, including those raised as family whether adopted or not

Surface Forms

foster-brother singular
foster-brothers plural

Morphology

foster-brother = foster + brother (transparent) = foster + brother

The meaning is directly the combination of 'foster' (non-biological parental relation) + 'brother', so learners can derive the sense.

Etymology

Foster-brother comes from foster, an old word that meant 'to feed' or 'to raise', and brother, meaning a male family member. So a foster-brother is someone not related by blood but who was cared for and raised as part of your family.