• Great-nephew

    Full definition of great-nephew

    Noun

    1. Grandson of one's sibling or sibling's spouse, son of one’s nephew or niece, one's sibling's child's male child.
    2. One's son’s or daughter's nephew.

    Synonyms

    Hyponyms

    • grandson of one's brother or brother-in-law fraternal great-nephew
    • grandson of one's sister or sister-in-law sororal great-nephew
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