# robust

> English word · Adjective · IPA /ɹəʊˈbʌst/ · frequency rank #7,843

## Definitions
1. Able to withstand adverse conditions.
2. Evincing strength and health; strong; (often, especially) both large and healthy.
3. Requiring strength or vigor.
4. Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety.
5. Rough; rude.
6. Designed or evolved in such a way as to be resistant to total failure despite partial damage.
7. Resistant or impervious to failure regardless of user input or unexpected conditions.
8. Not greatly influenced by errors in assumptions about the distribution of sample errors.
9. Of an individual or skeletal element: strongly built; muscular; not gracile.

## Etymology
Learned borrowing from Latin rōbustus.

## Easily confused with
- **rust** (https://plainspell.com/en/vs/robust-vs-rust)
- **rout** (https://plainspell.com/en/vs/robust-vs-rout)
- **rouse** (https://plainspell.com/en/vs/robust-vs-rouse)
- **roost** (https://plainspell.com/en/vs/robust-vs-roost)
- **robot** (https://plainspell.com/en/vs/robot-vs-robust)
- **roast** (https://plainspell.com/en/vs/roast-vs-robust)
- **robes** (https://plainspell.com/en/vs/robes-vs-robust)
- **rebut** (https://plainspell.com/en/vs/rebut-vs-robust)
- **Robert** (https://plainspell.com/en/vs/robert-vs-robust)

## Common misspellings (9)
`orbust`, `rboust`, `robbust`, `robsut`, `robusst`, `robustt`, `robuts`, `roubst`, `rrobust`

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