What's the word for someone who is the only son or only daughter with siblings of the opposite sex?

For example, if a boy only has sisters and a girl only has brothers.

6 Answers

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  • 3 weeks ago
    Best Answer

    The only son or only daughter with siblings of the opposite sex is called "The Westermarck Effect".

  • Kevin
    Lv 5
    3 weeks ago

    there isn’t a specific word

  • 3 weeks ago

    That would be "the only boy/girl of (x amount of) children."

  • 3 weeks ago

    There isn't one. It's just siblings

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  • John P
    Lv 7
    3 weeks ago

    In over 70 years in Britain (mostly) and Australia I have never come across a word for that specific combination.

  • blank
    Lv 7
    3 weeks ago

    The only boy or the only girl.

    Thier is no actual term or word for it.

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