# Optimus

> English word · Proper noun · frequency rank #29,019

## Definitions
1. A pet name for a device, such as a car, computer, or robot.

## Etymology
From Latin optimus; For optimum, optimate, optimal. Popularized by the fictional robot character Optimus Prime in the 1980s.

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

## Common misspellings (10)
`opitmus`, `opptimus`, `optimmus`, `optimsu`, `optimuss`, `optiums`, `optmius`, `opttimus`, `otpimus`, `potimus`

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