Granduncle

noun

noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of great-uncle.
  2. 2
    an uncle of your father or mother wordnet

Etymology

From Middle English graunt oncle, equivalent to grand- + uncle.

Related phrases

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