# constant

> English word · Adjective · IPA /ˈkɒnstənt/ · frequency rank #2,781

## Definitions
1. Unchanged through time or space; permanent.
2. Consistently recurring over time; persistent.
3. Steady in purpose, action, feeling, etc.
4. Firm; solid; not fluid.
5. Consistent; logical.
6. Bounded above by a constant.

## Etymology
From Middle English constant, from Old French constant, from Latin constantem, accusative of constans, from cōnstāre (“to stand firm”). Displaced native Old English singal.

## Easily confused with
- **content** (https://plainspell.com/en/vs/constant-vs-content)
- **contact** (https://plainspell.com/en/vs/constant-vs-contact)
- **constantly** (https://plainspell.com/en/vs/constant-vs-constantly)
- **consultant** (https://plainspell.com/en/vs/constant-vs-consultant)
- **contestant** (https://plainspell.com/en/vs/constant-vs-contestant)
- **constraint** (https://plainspell.com/en/vs/constant-vs-constraint)
- **Constantin** (https://plainspell.com/en/vs/constant-vs-constantin)
- **consent** (https://plainspell.com/en/vs/consent-vs-constant)
- **Constance** (https://plainspell.com/en/vs/constance-vs-constant)
- **consonant** (https://plainspell.com/en/vs/consonant-vs-constant)

## Common misspellings (13)
`cconstant`, `cnostant`, `connstant`, `consatnt`, `consstant`, `constannt`, `constantt`, `constatn`, `constnat`, `consttant`, `contsant`, `cosntant`, `ocnstant`

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