# untrust

> English word · Noun

## Definitions
1. Lack or absence of trust; mistrust.
2. The zone representing everything that originates outside of the firewall.

## Etymology
From Middle English untrust, untrost, untrist, likely from un- + trust. Cognate with Icelandic útraust (“untrust”). Compare also Swedish otro (“lack of faith, disbelief”).

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