# suborder

> English word · Noun · frequency rank #89,953

## Definitions
1. A taxonomic category below order and above infraorder.
2. A secondary or subsidiary order (purchase request).
3. Synonym of subordering.

## Etymology
From sub- + order.

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