# half sister-in-law

> English word · Noun

## Definitions
1. The half sister of one's spouse.
2. The wife of one's half-sibling.
3. The wife of the half-sibling of one's spouse.

## Etymology
From half sister + -in-law or half + sister-in-law.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/half-sister-in-law