falsy

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falsy

Sounds like falsie

Where it comes from

From false + -y, to be an antonym to truthy.

adjective falsey

not comparable Evaluating to false in a Boolean context. In JavaScript, any expression or statement that expects a boolean value will work with a truthy or falsy value, so the fact that && does not always evaluate to true or false does not cause practical problems.
Opposite: truthy

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MLA

"falsy." Wiktionary, via Micwyn, micwyn.com/word/falsy. Accessed 6 Nov. 2026.

APA

falsy. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/falsy

Chicago

"falsy." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/falsy.

BibTeX

@misc{falsy_2026,
  title = {falsy},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/falsy},
  urldate = {2026-11-06}
}