# ne plus ultra

> English word · Noun

## Definitions
1. The highest, ultimate point of achievement which can be reached; perfection.
2. The perfect or most extreme example of its kind; the ultimate.
3. A prohibition against proceeding further; an insuperable obstacle or limiting condition.

## Etymology
Borrowed from Latin nē plūs ultrā.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/ne-plus-ultra