# subspace

> English word · Noun · IPA /ˈsʌb.speɪs/ · frequency rank #33,436

## Definitions
1. A subset of a space which is a space in its own right.
2. Any (often unspecified) method of communicating or travelling faster than light speed.
3. An alternative dimension or universe, access to or use of which permits faster-than-light travel or communications; hyperspace.

## Etymology
From sub- + space.

## Easily confused with
- **substance** (https://plainspell.com/en/vs/subspace-vs-substance)

## Common misspellings (12)
`sbuspace`, `ssubspace`, `subbspace`, `subpsace`, `subsapce`, `subspacce`, `subspaec`, `subspcae`, `subsppace`, `subsspace`, `susbpace`, `usbspace`

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