fullsib

Etymology

From full + sib.

fullsib means A full sibling. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

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.”