Niece

//niːs// name, noun

name, noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A daughter of one’s sibling, brother-in-law, or sister-in-law; either the daughter of one's brother ("fraternal niece"), or of one's sister ("sororal niece").

    "My niece just celebrated her 15th birthday."

  2. 2
    a daughter of your brother or sister wordnet
  3. 3
    A daughter of one’s cousin or cousin-in-law
Proper Noun
  1. 1
    A surname.

Synonyms

All synonyms
auntauntieblood brotherbrethrenbrotherbub

Example

More examples

"Mr Eliot's niece goes to a women's college."

Etymology

From Middle English nece (“niece, granddaughter”), from Old French nece (“niece, granddaughter”) (Modern French nièce (“niece”)) from Late Latin neptia, representing Latin neptis (“granddaughter”), from Proto-Indo-European *néptih₂ (“granddaughter, niece”). Doublet of nift.

Related phrases

great-niecehalf nieceniece fuckerniece-in-lawstep-niecebrother in lawfraternal niecesister in lawsororal niece

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.