adj · noun · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ˈbuːl.i.ən/
UK:/buːˈli.ən/
UK:Recorded audio is listed in the source snapshot.
General-American:bo͞oʹliən
General-American:bo͞oliʹən
General-American:/ˈbuli.ən/
US:Recorded audio is listed in the source snapshot.
rhymes with -uːliən
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:B UW0 L IY1 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of or pertaining to the work of George Boole.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 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.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
Alternative letter-case form of Boolean.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
adjective
Meaning 6
of or relating to a combinatorial system devised by George Boole that combines propositions with the logical operators AND and OR and IF THEN and EXCEPT and NOT
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Boole + -ean, named after English mathematician, philosopher and logician George Boole (1815–1864).
Across languages
Translations
42 source translations are retained for this English entry.
Catalan:
booleà
— logic: pertaining to data items that have values “true” and “false”
Czech:
booleovský
— logic: pertaining to data items that have values “true” and “false”
Dutch:
booleaans
— logic: pertaining to data items that have values “true” and “false”
Esperanto:
bulea
— logic: pertaining to data items that have values “true” and “false”
Finnish:
totuusarvoinen
— logic: pertaining to data items that have values “true” and “false”
French:
booléen
— logic: pertaining to data items that have values “true” and “false”
French:
boolien
— logic: pertaining to data items that have values “true” and “false”
German:
boolesch
— logic: pertaining to data items that have values “true” and “false”
Italian:
booleano
— logic: pertaining to data items that have values “true” and “false”
Japanese:
ブール代数の
(Būru-daisū no)
— logic: pertaining to data items that have values “true” and “false”
Korean:
불 대수의
(bul daesu-ui)
— logic: pertaining to data items that have values “true” and “false”
Korean:
부울 대수의
(buul daesu-ui)
— logic: pertaining to data items that have values “true” and “false”
Macedonian:
булов
(bulov)
— logic: pertaining to data items that have values “true” and “false”
Polish:
boolowski
— logic: pertaining to data items that have values “true” and “false”
Portuguese:
booleano
— logic: pertaining to data items that have values “true” and “false”
Romanian:
boolean
— logic: pertaining to data items that have values “true” and “false”
Russian:
бу́лев
(búlev)
— logic: pertaining to data items that have values “true” and “false”
Spanish:
booleano
— logic: pertaining to data items that have values “true” and “false”
Swedish:
boolesk
— logic: pertaining to data items that have values “true” and “false”
Turkish:
Boole'ca
— logic: pertaining to data items that have values “true” and “false”
Turkish:
Boole'sal
— logic: pertaining to data items that have values “true” and “false”
Vietnamese:
luận lý
— logic: pertaining to data items that have values “true” and “false”
Vietnamese:
luận lí
— logic: pertaining to data items that have values “true” and “false”
Vietnamese:
(thuộc) Boole
— logic: pertaining to data items that have values “true” and “false”
Vietnamese:
Boolean
— logic: pertaining to data items that have values “true” and “false”
Chinese Mandarin:
布爾值 /布尔值
(Bù'ěr zhí)
— type of variable
Dutch:
booleaanse waarde
— type of variable
Finnish:
totuusarvomuuttuja
— type of variable
French:
variable booléenne
— type of variable
German:
Boolean
— type of variable
German:
boolsche Variable
— type of variable
Japanese:
ブーリアン
(Būrian)
— type of variable
Japanese:
ブール値
(Būru-chi)
— type of variable
Korean:
불리언
(bullieon)
— type of variable
Korean:
부울 값
(buul gap)
— type of variable
Polish:
zmienna logiczna
— type of variable
Portuguese:
booleano
— type of variable
Russian:
бу́лева переме́нная
(búleva pereménnaja)
— type of variable