Word.ws English Dictionary

boolean

/ˈbuːl.i.ən//ˈbuli.ən/

boolean is the alternative letter-case form of Boolean.

Adjective capitalized: Boolean

Boolean (not comparable)

  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.
    • Oh, Boolean operators! "Blue and ones"! Good idea!2005 May 9, Michael Chapman; Matthew Chapman, “Bug In Mouth Disease”, in Homestar Runner, spoken by Strong Sad (Matthew Chapman)
    • The associativity of OR and AND is not at all obvious. It is tempting to assume that because OR and AND are commutative that they must be associative also. This is not the case, however, and some commutative Boolean operators are not associative. Examples include NAND and NOR.2022 August 4, William Bahn, “Boolean Algebra Laws—Delving Into Boolean Identities”, in All About Circuits

Noun capitalized: Boolean

Boolean (plural Booleans)

  1. A variable that can hold a single true/false (1/0) value.
    Synonyms:
    flag, bool

Synonyms of boolean

Forms of boolean

Noun
pluralbooleans
pluralBooleans
Adjective
alternative formboolean
alternative form (dated)Boolian

Origin of boolean

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

Words formed from boolean

Phrases with boolean

1 more phrasesFewer phrases

Words that rhyme with boolean

Questions about boolean

What does boolean mean?
Boolean means of or pertaining to the work of George Boole.
What is boolean the alternative letter-case form of?
Boolean is the alternative letter-case form of Boolean.
What part of speech is boolean?
Boolean can be an adjective or a noun.
How do you pronounce boolean?
Boolean is pronounced /ˈbuːl.i.ən/ (UK).

Words near boolean in the dictionary

  1. Boolcarroll
  2. Boole
  3. Boole Poole
  4. Boole's inequalities
  5. Boole's inequality
  6. boolean
  7. Boolean algebra
  8. Boolean algebras
  9. Boolean atom
  10. Boolean atoms
  11. Boolean circuit

Source and license

Adapted from Wiktionary: boolean (page history and authors); Boolean (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-boolean.wav, en-uk-Boolean.ogg.

Cite this entry: “boolean.” Word.ws, https://word.ws/boolean. Based on Wiktionary, CC BY-SA 4.0.