noun ·3 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A grandson of one's sibling; a son of one's nephew or niece. (Brother's grandson: fraternal grandnephew. Sister's grandson: sororal grandnephew.)
2. 2
   a son of your niece or nephew wordnet

Synonyms

All synonyms

great-nephewgreat nephewauntblood brotherbrethrenbrother

Etymology

From grand- + nephew.

Related phrases

great-grandnephewsecond cousin

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