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boolean

7 synonyms and 0 antonyms for boolean, grouped by meaning and by how common each one is.

Adjective — Relating to a system of logic in which every statement is either true or false, with nothing in between, and statements are combined using operations such as and, or and not.

Synonyms

Everyday swaps

Common words most readers know — safe in any writing.

Less common

Still standard English, but they carry more weight.

Rare, literary or technical

Precise, but they will stand out — check the sense before using one.

two-valued bool truth value true/false value

Synonyms by Meaning

1. adjective

Relating to a system of logic in which every statement is either true or false, with nothing in between, and statements are combined using operations such as and, or and not.

“The filter uses boolean logic, so a record has to satisfy both conditions to appear.”

logical binary two-valued

2. noun computing

A value in a program that can only be one of two things, true or false, often used to record whether something is switched on, finished or allowed.

“Store it as a boolean rather than the text yes or no.”

bool flag truth value true/false value

How to Use Boolean

The word patterns that sound natural to a native speaker.

boolean value boolean logic boolean operator boolean search return a boolean

Standard in mathematics, computing and library search; rare in everyday speech.

Etymology

From the surname of George Boole, the nineteenth-century English mathematician whose work on the algebra of logic the term commemorates, plus the adjectival ending -an.

Full origin of boolean →

Frequently Asked Questions

Why is boolean capitalised sometimes?

Because it comes from a person's name, George Boole, it is often written Boolean with a capital B, especially in mathematics and formal writing. In programming, where bool and boolean are keywords, the lower-case form is usual.

What is a boolean in programming?

It is a value that can only be true or false. Programs use it for yes-or-no facts, such as whether a user is logged in, and for deciding which branch of code to run next.

What are the boolean operators?

The three basic ones are and, or and not. And is true only when both sides are true, or is true when at least one side is true, and not reverses a value from true to false or the other way round.

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Synonyms and antonyms from Wiktionary, CC BY-SA.