# crud

> English word · Noun · IPA /kɹʌd/ · frequency rank #45,306

## Definitions
1. Dirt, filth or refuse.
2. Something of poor quality.
3. A contemptible person.
4. Mixed impurities, especially wear and corrosion products in nuclear reactor coolant.
5. A heavy wet snow on which it is difficult to travel.
6. Feces; excrement.
7. Venereal disease, or (by extension) any disease.
8. A fast-paced game, loosely based on billiards or pool, with many players participating at the same time.
9. Cottage cheese.

## Etymology
From Middle English crud, crudde (“coagulated milk; curd; any coagulated or thickened substance; dregs”), from Old English crūdan (“to press”). Doublet of curd.

## Easily confused with
- **CU** (https://plainspell.com/en/vs/crud-vs-cu)
- **cut** (https://plainspell.com/en/vs/crud-vs-cut)
- **cup** (https://plainspell.com/en/vs/crud-vs-cup)
- **cry** (https://plainspell.com/en/vs/crud-vs-cry)
- **cum** (https://plainspell.com/en/vs/crud-vs-cum)
- **cuz** (https://plainspell.com/en/vs/crud-vs-cuz)
- **cue** (https://plainspell.com/en/vs/crud-vs-cue)
- **Cub** (https://plainspell.com/en/vs/crud-vs-cub)
- **CSU** (https://plainspell.com/en/vs/crud-vs-csu)
- **cur** (https://plainspell.com/en/vs/crud-vs-cur)
- **Cui** (https://plainspell.com/en/vs/crud-vs-cui)
- **CVD** (https://plainspell.com/en/vs/crud-vs-cvd)
- **Cruz** (https://plainspell.com/en/vs/crud-vs-cruz)
- **crux** (https://plainspell.com/en/vs/crud-vs-crux)
- **curd** (https://plainspell.com/en/vs/crud-vs-curd)
- **crush** (https://plainspell.com/en/vs/crud-vs-crush)
- **cruel** (https://plainspell.com/en/vs/crud-vs-cruel)
- **crude** (https://plainspell.com/en/vs/crud-vs-crude)
- **Cyrus** (https://plainspell.com/en/vs/crud-vs-cyrus)
- **cured** (https://plainspell.com/en/vs/crud-vs-cured)

## Common misspellings (5)
`ccrud`, `crdu`, `crrud`, `crudd`, `rcud`

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