Stepcousin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A nephew or niece of someone's stepparent; a child of someone's stepaunt or stepuncle (in the sense of a sibling of someone's stepparent).
  2. 2
    A stepchild of someone's aunt or uncle; a stepnephew or stepniece (in the sense of a stepchild of someone's sibling) of someone's parent.
  3. 3
    A child of someone's stepaunt or stepuncle (in the sense of a stepsibling of someone's parent); a stepnephew or stepniece (in the sense of a child of someone's stepsibling) of someone's parent.

Etymology

From step- + cousin.

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