Meaning & use
stepsibling
A child of one's stepparent from a previous relationship, related by marriage rather than blood.
See it in a sentence
After the wedding, she gained two stepsiblings close to her own age.
The stepsiblings became inseparable friends despite their rocky start.
A note on using this word
Stepsibling differs from half sibling, since stepsiblings share no biological parent, while half siblings share exactly one.
Words with a similar meaning
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