The Difference between Half-brother and Stepbrother

If you think your half-brother is your stepbrother, pay rapt attention. These words are often used interchangeably, especially by second learners of English. But I am happy because this illustrative article will put an end to the misuse of these words.

Your half-brother is not your stepbrother. The son of either your biological father or mother is your half-brother, not your stepbrother.

Your stepbrother is not your parents’ son. If, for example, your father gets married to another woman who already has a son outside, that son is your stepbrother, not your half-brother.

In a nutshell, you and your half-brother are related by blood whereas you and your stepbrother are related by marriage. 

Tamuno Reuben

Those who seek knowledge seek power because the pen is mightier than the sword.


  1. I appreciate this clear explanation of the difference between 'half brother' and 'step brother'
    Samson O Eruvwavwe

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