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noun

stepbrother

Stepbrother (noun) means the son of one's stepparent from a previous relationship. Example: “My stepbrother lived with his mother until she remarried my dad.”

noun
1
The son of one's stepparent from a previous relationship.
"My stepbrother lived with his mother until she remarried my dad."

How to use stepbrother

Learner’s notes

In plain EnglishA brother by marriage rather than by blood — your parent's new spouse's son.

Common mistake

A stepbrother is not related by blood, unlike a half-brother, who shares one biological parent with you.

Easily confused with
half-brother

Word forms

stepbrothers plural, stepbrethren plural

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My _____ lived with his mother until she remarried my dad.

stepbro

Rhymes for stepbrother

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Frequently asked questions

What does “stepbrother” mean?

The word “stepbrother” means the son of one's stepparent from a previous relationship. In plain terms, a brother by marriage rather than by blood — your parent's new spouse's son.

How do you use “stepbrother” in a sentence?

Here is “stepbrother” used in a sentence: “My stepbrother lived with his mother until she remarried my dad.”

What is another word for “stepbrother”?

Words with a similar meaning to “stepbrother” include stepbro.

What part of speech is “stepbrother”?

“Stepbrother” is a noun.

Definitions: FreeDict original editorial