stepbrother

Share this

stepbrother [noun]

not your parents' son, but the son of a person that one of your parents has married

US /ˈstepˌbrʌ.ðɚ/ 
UK /ˈstepˌbrʌ.ðər/ 

Longman Dictionary of Contemporary English

stepbrother

stepbrother /ˈstepbrʌðə $ -ər/ BrE AmE noun [countable]
the son of your stepmother or stepfather

Oxford Advanced Learner's Dictionary

stepbrother

step·brother [stepbrother stepbrothers]   [ˈstepbrʌðə(r)]    [ˈstepbrʌðər]  noun
the son from an earlier marriage of your stepmother or stepfather

compare  half-brother

Cambridge Advanced Learner's Dictionary

stepbrother / ˈstepˌbrʌ.ðə r /   / -ðɚ / noun [ C ]

not your parents' son, but the son of a person that one of your parents has married

→  Compare half-brother

Collins Advanced Learner’s English Dictionary

stepbrother

[ste̱pbrʌðə(r)]
 stepbrothers
 also step-brother
 N-COUNT: oft poss N

 Someone's stepbrother is the son of their stepfather or stepmother.

Merriam-Webster's Advanced Learner's Dictionary

stepbrother

 

step·broth·er /ˈstɛpˌbrʌðɚ/ noun, pl -ers [count] : the son of your stepmother or stepfather