# Boolean

> English word · Adjective · IPA /ˈbuːl.i.ən/ · frequency rank #30,706

## Definitions
1. Of or pertaining to the work of George Boole.
2. Pertaining to data items that can have “true” and “false” (or, equivalently, 1 and 0 respectively) as their only possible values and to operations on such values.

## Etymology
From Boole + -ean, named after English mathematician, philosopher and logician George Boole (1815–1864).

## Easily confused with
- **Boleyn** (https://plainspell.com/en/vs/boleyn-vs-boolean)

## Common misspellings (9)
`bboolean`, `bolean`, `boloean`, `booelan`, `boolaen`, `booleann`, `boolena`, `boollean`, `obolean`

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