What does "sister-german" mean?

A sister born of the same parents

What is a synonym for "sister-german"?

Common synonyms include: aunt, blood brother, brethren, brother, bub, bud.

Sister-german

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A sister born of the same parents archaic

Synonyms

All synonyms

aunt blood brother brethren brother bub bud

Etymology

From Middle English sister germain, equivalent to sister + german, after Anglo-Norman and Middle French suer germaine and its etymon Classical Latin germāna soror.

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