Definify.com
Webster 1913 Edition
Stepbrother
Step′brothˊer
,Noun.
 A brother by the marriage of one’s father with the mother of another, or of one's mother with the father of another. 
Definition 2025
stepbrother
stepbrother
See also: step-brother
English
Alternative forms
Noun
stepbrother (plural stepbrothers)
- The son of one's stepparent who is not the son of either of one's biological parents.
 - The stepson of one's parent who is not one's half-brother.
 
Hypernyms
Synonyms
Translations
son of one's stepfather or stepmother
  | 
  |