: of, relating to, or being a logical combinatorial system (such as Boolean algebra) that represents symbolically relationships (such as those implied by the logical operators AND, OR, and NOT) between entities (such as sets, propositions, or on-off computer circuit elements)
Boolean expression
Boolean search strategy for information retrieval
Examples of Boolean in a Sentence
Recent Examples on the Web
The binary logic system, which originates from Boolean algebra, functions as the fundamental operational mechanism for all contemporary digital processing.
—
Sadhasivam Mohanadas, Forbes.com, 19 May 2025
Start by refining your searches with Boolean operators.
—Noa Eshed, Forbes.com, 22 Apr. 2025
Step 5: More Advanced Searching Another way to advance searching when using multiple keywords is by using a logic connector called Boolean operators.
—Kristen Finch, JSTOR Daily, 21 Apr. 2025
Efforts were made on eBay using Boolean searches, a more refined method of combing through the virtual flea market, though none of the options would be able to reach Southern California in time.
—James Powel, USA TODAY, 1 Mar. 2025
All forms of classical computing, whether an abacus, a personal laptop, or a high-performance cluster of machines in a national security facility, follow what scholars call Boolean logic.
—Charina Chou, Foreign Affairs, 7 Jan. 2025
Typescript requires programmers to declare the type of each variable (floating point, integer, Boolean or other) before it’s used, increasing reliability.
—IEEE Spectrum, 26 Dec. 2024
Boole, one of the great mathematicians, created Boolean algebra which laid the foundations for computer language and is this the structure around which scientists use machines to mimic and ‘improve’ on human behaviour.
—Mike O'Sullivan, Forbes, 7 Dec. 2024
In chip design, such problems include optimizing the routing of interconnects within a core and Boolean circuit minimization, in which the challenge is to construct a circuit with the fewest gates and inputs to execute a function.
—Somdeb Majumdar, IEEE Spectrum, 21 Nov. 2024
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Sadhasivam Mohanadas, Forbes.com, 19 May 2025
Start by refining your searches with Boolean operators.
—Noa Eshed, Forbes.com, 22 Apr. 2025
Step 5: More Advanced Searching Another way to advance searching when using multiple keywords is by using a logic connector called Boolean operators.
—Kristen Finch, JSTOR Daily, 21 Apr. 2025
Efforts were made on eBay using Boolean searches, a more refined method of combing through the virtual flea market, though none of the options would be able to reach Southern California in time.
—James Powel, USA TODAY, 1 Mar. 2025
All forms of classical computing, whether an abacus, a personal laptop, or a high-performance cluster of machines in a national security facility, follow what scholars call Boolean logic.
—Charina Chou, Foreign Affairs, 7 Jan. 2025
Typescript requires programmers to declare the type of each variable (floating point, integer, Boolean or other) before it’s used, increasing reliability.
—IEEE Spectrum, 26 Dec. 2024
Boole, one of the great mathematicians, created Boolean algebra which laid the foundations for computer language and is this the structure around which scientists use machines to mimic and ‘improve’ on human behaviour.
—Mike O'Sullivan, Forbes, 7 Dec. 2024
In chip design, such problems include optimizing the routing of interconnects within a core and Boolean circuit minimization, in which the challenge is to construct a circuit with the fewest gates and inputs to execute a function.
—Somdeb Majumdar, IEEE Spectrum, 21 Nov. 2024
Cite this Entry
“Boolean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Boolean. Accessed 31 Jul. 2025.
Copy CitationKids Definition
Boolean
adjective
Bool·ean
ˈbü-lē-ən 
: of, relating to, or being Boolean algebra
Love words? Need even more definitions?
Merriam-Webster unabridged
Share