# covariant

> English word · Adjective · frequency rank #77,564

## Definitions
1. Which preserves the order of morphism composition: formally, which associates each morphism f:X→Y to a morphism F(f):F(X)→F(Y).
2. Using or relating to covariance.

## Etymology
From co- + variant.

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