# optimise

> English word · Verb · frequency rank #47,235

## Definitions
1. Non-Oxford British English standard spelling of optimize.

## Easily confused with
- **Optimus** (https://plainspell.com/en/vs/optimise-vs-optimus)
- **optimism** (https://plainspell.com/en/vs/optimise-vs-optimism)
- **optimize** (https://plainspell.com/en/vs/optimise-vs-optimize)
- **optimist** (https://plainspell.com/en/vs/optimise-vs-optimist)

## Common misspellings (11)
`opitmise`, `opptimise`, `optiimse`, `optimies`, `optimisse`, `optimmise`, `optimsie`, `optmiise`, `opttimise`, `otpimise`, `potimise`

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