# invariant

> English word · Adjective · frequency rank #27,888

## Definitions
1. Not varying; constant.
2. Unaffected by a specified operation, especially by a transformation.
3. Neither covariant nor contravariant.

## Etymology
From in- + variant.

## Common misspellings (13)
`inavriant`, `innvariant`, `invairant`, `invaraint`, `invariannt`, `invariantt`, `invariatn`, `invarinat`, `invarriant`, `invraiant`, `invvariant`, `ivnariant`, `nivariant`

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