Fullsib

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A full sibling.

    "For example, fullsibs, considered as a genealogical category, are symmetrically related to ego. However, “fullsibs,” considered as an innate category, are ego's matrikin because of the possibility of undetected cuckoldry."

Example

More examples

"For example, fullsibs, considered as a genealogical category, are symmetrically related to ego. However, “fullsibs,” considered as an innate category, are ego's matrikin because of the possibility of undetected cuckoldry."

Etymology

From full + sib.

Related phrases

full sibling

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