false

adjective
\ ˈfȯls How to pronounce false (audio) \
falser; falsest

Definition of false

 (Entry 1 of 2)

1 : not genuine false documents false teeth
2a : intentionally untrue false testimony
b : adjusted or made so as to deceive false scales a trunk with a false bottom
c : intended or tending to mislead a false promise
3 : not true false concepts
4a : not faithful or loyal : treacherous a false friend
b : lacking naturalness or sincerity false sympathy
5a : not essential or permanent used of parts of a structure that are temporary or supplemental
b : fitting over a main part to strengthen it, to protect it, or to disguise its appearance a false ceiling
6 : inaccurate in pitch a false note
7a : based on mistaken ideas false pride
b : inconsistent with the facts a false position a false sense of security
8 : threateningly sudden or deceptive don't make any false moves

false

adverb

Definition of false (Entry 2 of 2)

: in a false or faithless manner : treacherously his friends played him false

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Other Words from false

Adjective

falsely adverb
falseness noun

Choose the Right Synonym for false

Adjective

faithless, false, disloyal, traitorous, treacherous, perfidious mean untrue to what should command one's fidelity or allegiance. faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty. faithless allies false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery. betrayed by false friends disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country. disloyal to their country traitorous implies either actual treason or a serious betrayal of trust. traitorous acts punishable by death treacherous implies readiness to betray trust or confidence. a treacherous adviser perfidious adds to faithless the implication of an incapacity for fidelity or reliability. a perfidious double-crosser

Examples of false in a Sentence

Adjective Indicate whether each of the following statements is true or false. He registered at the hotel under a false name.
Recent Examples on the Web: Adjective The result can be too many false positives, blocking legitimate commerce and overwhelming human analysts tasked with investigating the alerts such software generates. Jeremy Kahn, Fortune, "Cybercriminals adapt to coronavirus faster than the A.I. cops hunting them," 30 Apr. 2020 The 101 false positives is a modest number given the scale of the study, Huntsman and Hayes say. Jocelyn Kaiser, Science | AAAS, "DNA blood test spots cancers in seemingly cancer-free women, but also produces false alarms," 28 Apr. 2020 The most accurate antibody tests still have limitations, Woo said, because there’s a higher likelihood of false positives if few people are infected. Lauren Caruba, ExpressNews.com, "Coronavirus antibody tests have proliferated in San Antonio. Here’s the problem.," 17 May 2020 The tests have a 2 percent chance of producing a false-positive result in someone without antibodies. BostonGlobe.com, "For the record," 12 May 2020 It wasn't revealed if the individuals had traveled anywhere or had connections to other cases, and, of course, some antibody tests have produced high false-positive rates. TheWeek, "Coronavirus may have have arrived in Ohio 2 months earlier than first confirmed case," 12 May 2020 Doctors and researchers are cautiously optimistic: some test kits have produced high false-positive rates. Jackie Borchardt, Cincinnati.com, "Antibody testing places earliest Ohio coronavirus case in early January," 12 May 2020 Sixty participants tested positive, a number that was adjusted to take into account for false positives and negatives. Susan Slusser, SFChronicle.com, "MLB antibody study: 0.7 percent of those tested had been exposed to coronavirus," 10 May 2020 Bluetooth signals do, which may lead to a false positive. Ann Scott Tyson, The Christian Science Monitor, "Free movement or privacy? Pandemic forces new trade-offs.," 7 May 2020 Recent Examples on the Web: Adverb Meanwhile, forcing axioms, which deem the continuum hypothesis false by adding a new size of infinity, would also extend the frontiers of mathematics in other directions. Quanta Magazine, "To Settle Infinity Dispute, a New Law of Logic," 26 Nov. 2013 Any assertion otherwise on the latter front rings false given that, as acting commissioner, Selig had to have known about the FBI’s Operation Equine, an early ’90s investigation into PED distribution that included McGwire and Canseco. Jay Jaffe, SI.com, "Roger Clemens, Arguably the Greatest Pitcher of All-Time, Is Trending Toward Hall of Fame Induction," 13 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'false.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of false

Adjective

12th century, in the meaning defined at sense 2a

Adverb

13th century, in the meaning defined above

History and Etymology for false

Adjective and Adverb

Middle English fals, faus, from Anglo-French & Latin; Anglo-French, from Latin falsus, from past participle of fallere to deceive

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Time Traveler for false

Time Traveler

The first known use of false was in the 12th century

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Statistics for false

Last Updated

21 May 2020

Cite this Entry

“False.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/false. Accessed 28 May. 2020.

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More Definitions for false

false

adjective
How to pronounce false (audio)

English Language Learners Definition of false

: not real or genuine
: not true or accurate especially : deliberately untrue : done or said to fool or deceive someone
: based on mistaken ideas

false

adjective
\ ˈfȯls How to pronounce false (audio) \
falser; falsest

Kids Definition of false

 (Entry 1 of 2)

1 : not true, genuine, or honest false testimony false documents false teeth
2 : not faithful or loyal false friends
3 : not based on facts or sound judgment a false feeling of security
4 : careless sense 2 One false step, and he could slip …— Jerry Spinelli, Maniac Magee

Other Words from false

falsely adverb She was falsely accused.

false

adverb

Kids Definition of false (Entry 2 of 2)

: in a dishonest or misleading manner He spoke false.

false

adjective
\ ˈfȯls How to pronounce false (audio) \
falser; falsest

Medical Definition of false

1 : not corresponding to truth or reality a test for HIV which gave false results
2 : artificially made false teeth
3 : of a kind related to or resembling another kind that is usually designated by the unqualified vernacular false oats

Other Words from false

falsely adverb
falseness noun

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false

adjective

Legal Definition of false

1 : not genuine, authentic, or legitimate — compare counterfeit
2a : not true or correct especially : intentionally or knowingly untrue or incorrect injured by false accusations
b : intended to mislead or deceive : deceptive, misleading — compare fraudulent

Other Words from false

falsely adverb
falseness noun

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More from Merriam-Webster on false

Thesaurus: All synonyms and antonyms for false

Rhyming Dictionary: Words that rhyme with false

Spanish Central: Translation of false

Comments on false

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