bool
bool noun: a Boolean variable (one whose value is either true or false).
Noun
bool (plural bools)
- A Boolean variable (one whose value is either true or false).
- The base class BitArray acts just like a normal C++ array of bools, although you are of course free to interpret the bits as integers […]2000, Mark A DeLoura, Game programming gems
- With an automatic conversion, bools will interfere with overload resolution […]2000, Herb Sutter, Exceptional C++
Verb
bool (third-person singular simple present bools, present participle booling, simple past and past participle booled)
Examples of bool in a sentence
- Listing 7-11 shows an example where the initial data type is string, but I will obtain its value as a bool.2007, Joseph C Rattz, Pro LINQ: Language Integrated Query in C# 2008:
- In the gritty visual, we see the L.A. native booling with his friends in his city’s streets, in cars, outfitted in red clothing.2018 March 13, Tara C. Mahadevan, “YG Reps His Set in the New Video for "Suu Whoop"”, in Complex, archived from the original on 26 Nov 2022:
- I'm drunk as fuck, booling with a couple racks on me (Freebandz) / All black Hellcat, Doja Cat mad at me (Boom)2020 November 6, Doe Boy, Southside, “7 Days a Week”, in Demons R Us:
- I can come here to bool and be my stupid self, but also I could come to have a conversation about how big corporations are gaslighting us into thinking that we are the problems in climate change.2022 March 11, Kimberly Wipfler, quoting Beckett Morris, “New Coffee/Gathering Space Is Buzzing”, in New Haven Independent, archived from...
Forms of bool
| Noun | |
|---|---|
| plural | bools |
| Verb | |
| third-person singular present | bools |
| present participle | booling |
| past participle | booled |
| past | booled |
Origin of bool
From a keyword in C++ and derived programming languages, short for Boolean.
From b- + (c)ool, likely originally (or in imitation of) Blood slang.
Words formed from bool
Words that rhyme with bool
42 more rhymesFewer rhymes
- ghoul
- spool
- doole
- pule
- yule
- buhl
- huemul
- Juul
- misrule
- poule
- rocking stool
- you'll
- 6-2-1 rule
- adverse interest rule
- aemule
- babul
- befool
- cagoule
- crool
- emule
- firefighter's rule
- gigajoule
- grool
- gule
- hool
- hydrocool
- joule
- kewl
- kilojoule
- megajoule
- mewl
- pasta fazool
- petajoule
- retool
- shul
- snool
- sool
- terajoule
- torchecul
- tulle
- uncool
- yottajoule
Questions about bool
- What does bool mean?
- Bool means a Boolean variable (one whose value is either true or false).
- How do you use bool in a sentence?
- Listing 7-11 shows an example where the initial data type is string, but I will obtain its value as a bool.
- What part of speech is bool?
- Bool can be a noun or a verb.
- What is the plural of bool?
- The plural of bool is bools.
Words near bool in the dictionary
Source and license
Adapted from Wiktionary: bool (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: En-au-bool.ogg.
Cite this entry: “bool.” Word.ws, https://word.ws/bool. Based on Wiktionary, CC BY-SA 4.0.