# coupling

> English word · Noun · IPA /ˈkʌplɪŋ/ · frequency rank #15,593

## Definitions
1. The act of joining together to form a couple.
2. A device that couples two things together.
3. The degree of reliance between two or more software modules.
4. A connection between two electronic circuits such that a signal can pass between them.
5. The property of physical systems that they are interacting with each other
6. An act of sexual intercourse.
7. A link between the performance of an action and the location where that action occurs or the method used to perform that action.

## Etymology
From Middle English couplynge; equivalent to couple + -ing.

## Easily confused with
- **curling** (https://plainspell.com/en/vs/coupling-vs-curling)
- **culling** (https://plainspell.com/en/vs/coupling-vs-culling)
- **cupping** (https://plainspell.com/en/vs/coupling-vs-cupping)
- **coursing** (https://plainspell.com/en/vs/coupling-vs-coursing)
- **coping** (https://plainspell.com/en/vs/coping-vs-coupling)
- **cooling** (https://plainspell.com/en/vs/cooling-vs-coupling)
- **copying** (https://plainspell.com/en/vs/copying-vs-coupling)
- **counting** (https://plainspell.com/en/vs/counting-vs-coupling)
- **coughing** (https://plainspell.com/en/vs/coughing-vs-coupling)
- **complying** (https://plainspell.com/en/vs/complying-vs-coupling)

## Common misspellings (12)
`ccoupling`, `copuling`, `coulping`, `coupilng`, `couplign`, `couplingg`, `couplinng`, `couplling`, `couplnig`, `couppling`, `cuopling`, `ocupling`

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