# impact

> English word · Noun · IPA /ˈɪmpækt/ · frequency rank #1,273

## Definitions
1. The striking of one body against another; collision.
2. The force or energy of a collision of two objects.
3. A forced impinging.
4. A significant or strong influence or effect.

## Etymology
Attested since the 17th century, from Latin impāctus.

## Easily confused with
- **import** (https://plainspell.com/en/vs/impact-vs-import)
- **intact** (https://plainspell.com/en/vs/impact-vs-intact)
- **impart** (https://plainspell.com/en/vs/impact-vs-impart)
- **impala** (https://plainspell.com/en/vs/impact-vs-impala)
- **impair** (https://plainspell.com/en/vs/impact-vs-impair)
- **implant** (https://plainspell.com/en/vs/impact-vs-implant)
- **impeach** (https://plainspell.com/en/vs/impact-vs-impeach)
- **impacted** (https://plainspell.com/en/vs/impact-vs-impacted)
- **iMac** (https://plainspell.com/en/vs/imac-vs-impact)

## Common misspellings (9)
`imapct`, `immpact`, `impacct`, `impactt`, `impatc`, `impcat`, `imppact`, `ipmact`, `mipact`

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