# semi-infinite

> English word · Adjective

## Definitions
1. Involving a finite number of variables but an infinite number of constraints, or vice versa.
2. Sufficiently thick that the level of penetration of a projectile is not affected by its thickness.
3. Limited at one end but extending to infinity in the other direction.

## Etymology
From semi- + infinite.

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