# ill-defined

> English word · Adjective

## Definitions
1. Poorly defined; blurry, out of focus; lacking a clear boundary.
2. Defined in an inconsistent way.

## Etymology
From ill + defined.

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