noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The stepfather of one's mother or father and the husband of one's grandmother, and not one's biological grandfather, especially following the divorce of one's grandparents or the death of one's grandfather.
2. 2
   The father of one's stepmother or stepfather.

Etymology

From step- + grandfather.

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