# optical

> English word · Adjective · IPA /ˈɒptɪkəl/ · frequency rank #6,391

## Definitions
1. Of or relating to sight; visual.
2. Designed to assist or enhance sight
3. Of or relating to optics.
4. Of or relating to visible light.
5. Incorporating light-sensitive devices.

## Etymology
From optic + -al.

## Easily confused with
- **optics** (https://plainspell.com/en/vs/optical-vs-optics)
- **optimal** (https://plainspell.com/en/vs/optical-vs-optimal)
- **optional** (https://plainspell.com/en/vs/optical-vs-optional)
- **optically** (https://plainspell.com/en/vs/optical-vs-optically)
- **optic** (https://plainspell.com/en/vs/optic-vs-optical)

## Common misspellings (10)
`opitcal`, `opptical`, `optcial`, `optiacl`, `opticall`, `opticcal`, `opticla`, `opttical`, `otpical`, `potical`

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