stepbrothers

/S T EH1 P B R AH1 DH ER0 Z/
noun
  1. 1

    The son of one's stepparent who is not the son of either of one's biological parents.

  2. 2

    The stepson of one's parent who is not one's half-brother.

Synonyms

Source: https://en.wiktionary.org/wiki/stepbrother, https://en.wiktionary.org/wiki/stepbrothers