# classifier

> English word · Noun · IPA /ˈklæsɪfaɪɚ/ · frequency rank #43,570

## Definitions
1. Someone who classifies.
2. A word or morpheme used in some languages (such as CJKV languages and American Sign Language), in certain contexts (such as counting), to indicate the semantic class to which something belongs.
3. A machine that separates particles or objects of different size or density.
4. A program or algorithm that classifies.
5. A metaclass used to group other entities having common features.

## Etymology
From classify + -er.

## Easily confused with
- **classified** (https://plainspell.com/en/vs/classified-vs-classifier)
- **classifieds** (https://plainspell.com/en/vs/classifieds-vs-classifier)

## Common misspellings (13)
`calssifier`, `cclassifier`, `clasifier`, `clasisfier`, `classfiier`, `classifeir`, `classiffier`, `classifierr`, `classifire`, `classiifer`, `cllassifier`, `clsasifier`, `lcassifier`

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