# in aid of

> English word · Preposition

## Definitions
1. for the sake of, for (usually placed at the end of a question when quizzing a person about why they have done something)

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