stepbrother

[ step-bruhth-er ]
/ ˈstɛpˌbrʌð ər /

noun

one's stepfather's son or stepmother's son by a previous marriage.

Origin of stepbrother

late Middle English word dating back to 1400–50; see origin at step-, brother

Example sentences from the Web for stepbrother

British Dictionary definitions for stepbrother

stepbrother
/ (ˈstɛpˌbrʌðə) /

noun

a son of one's stepmother or stepfather by a union with someone other than one's father or mother respectively