Co-grandparent
noun ·Rare ·Advanced level
Definitions
- 1 The parent of one's son- or daughter-in-law, as a common grandparent to one's children.
"Most grandparents aren't engaged in a duel with their co-grandparents, but the desire to be the most beloved, most generous grandparent often simmers beneath the surface. […] “It can get to the point where they can't speak to the co-grandparents, or the parents can't have events where they're both there,” she said."
Synonyms
All synonymsExample
More examples"Most grandparents aren't engaged in a duel with their co-grandparents, but the desire to be the most beloved, most generous grandparent often simmers beneath the surface. […] “It can get to the point where they can't speak to the co-grandparents, or the parents can't have events where they're both there,” she said."
Etymology
* co- + grandparent
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.