FALSE Synonyms: 317 Similar and Opposite Words

Q: How is the word 'false' different from other adjectives like it?

Some common synonyms of false are disloyal , faithless , perfidious , traitorous , and treacherous . While all these words mean "untrue to what should command one's fidelity or allegiance," false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery. // betrayed by false friends

Q: When is 'disloyal' a more appropriate choice than 'false'?

Although the words disloyal and false have much in common, disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country. // disloyal to their country

Q: When is it sensible to use 'faithless' instead of 'false'?

The words faithless and false can be used in similar contexts, but faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty. // faithless allies

Q: How are the words 'perfidious' and 'faithless' related as synonyms of 'false'?

Perfidious adds to faithless the implication of an incapacity for fidelity or reliability. // a perfidious double-crosser

Q: Where would 'traitorous' be a reasonable alternative to 'false'?

In some situations, the words traitorous and false are roughly equivalent. However, traitorous implies either actual treason or a serious betrayal of trust. // traitorous acts punishable by death

Q: When can 'treacherous' be used instead of 'false'?

The synonyms treacherous and false are sometimes interchangeable, but treacherous implies readiness to betray trust or confidence. // a treacherous adviser

false

adjective

ˈfȯls

Definition of false

as in erroneous

not being in agreement with what is true early reports about the explosion contained much false information

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in faux

being such in appearance only and made with or manufactured from usually cheaper materials George Washington's false teeth were not made of wood but of elephant ivory and cow's teeth

Synonyms & Similar Words

Antonyms & Near Antonyms

as in counterfeit

being such in appearance only and made or manufactured with the intention of committing fraud arrested for selling false ID cards to teenagers

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Antonyms & Near Antonyms

as in mock

lacking in natural or spontaneous quality so much of the sympathy that the widow received was false and hypocritical, since it came from people who never liked her husband in the first place

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Antonyms & Near Antonyms

as in fraudulent

marked by, based on, or done by the use of dishonest methods to acquire something of value false advertising that claimed that the vegetables were organically grown when they weren't

Synonyms & Similar Words

Antonyms & Near Antonyms

as in traitorous

not true in one's allegiance to someone or something false friends who deserted the prizefighter when all his money was gone

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Antonyms & Near Antonyms

as in misleading

tending or having power to deceive it turned out that the con man had made false promises of marriage to a dozen women

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Antonyms & Near Antonyms

Synonym Chooser

How is the word false different from other adjectives like it?

Some common synonyms of false are disloyal, faithless, perfidious, traitorous, and treacherous. While all these words mean "untrue to what should command one's fidelity or allegiance," false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery.

betrayed by false friends

When is disloyal a more appropriate choice than false?

Although the words disloyal and false have much in common, disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

When is it sensible to use faithless instead of false?

The words faithless and false can be used in similar contexts, but faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

How are the words perfidious and faithless related as synonyms of false?

Perfidious adds to faithless the implication of an incapacity for fidelity or reliability.

a perfidious double-crosser

Where would traitorous be a reasonable alternative to false?

In some situations, the words traitorous and false are roughly equivalent. However, traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

When can treacherous be used instead of false?

The synonyms treacherous and false are sometimes interchangeable, but treacherous implies readiness to betray trust or confidence.

a treacherous adviser

Example Sentences

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.

Recent Examples of false Sky has now hit back, accusing Kavanagh of false accounting and misusing a company credit card. — Jake Kanter, Deadline, 1 Sep. 2026 Forter said, on average, retailers and brands that switch to Forter see a 46 percent reduction in false declines, with 99 perent of decisions delivered within one second. — Arthur Zaczkiewicz, Footwear News, 1 Sep. 2026 In November, she was indicted on seven additional felony charges related to a false claim of pregnancy involving a second victim, per Mitchell. — Julia Moore, PEOPLE, 31 Aug. 2026 According to the mission, Sekhentiu-Ptah’s tomb contained the remains of a funerary chapel with its false door still in its original position. — Anne Doran, ARTnews.com, 31 Aug. 2026 See All Example Sentences for false

Recent Examples of Synonyms for false

Adjective

The lawsuit alleges that South Dakota’s rollout of the proof-of-citizenship requirement has disqualified eligible voters over erroneous minutiae and failed to offer them a realistic shot at fixing problems with their registration application.

— John Hult, States Newsroom, 28 Aug. 2026
Towers told ProPublica that the audit had reached erroneous conclusions, that the auditors did not give him the opportunity to fully defend his work and that the journal’s willingness to stand by the study is proof that his research is sound.

— Amy Yurkanin, ProPublica, 24 Aug. 2026

Definition of erroneous

Adjective

Dash, 2026, the forty-seven-minute, two-channel essay-film at the project’s core, is filled with quiet, almost meditative scenes of machines tilling the land that initially conjure a faux-pastoral aesthetic register.

— Pablo Larios, Artforum, 1 Sep. 2026
These best-selling boots are the perfect pairing for your faux-suede purse.

— Mia Huelsbeck, PEOPLE, 31 Aug. 2026

Definition of faux

Adjective

In February, detectives received a tip that counterfeit goods were being stored and sold from a home on the 3100 block of Northwest 81st Terrace, the Miami-Dade Sheriff’s Office said in an arrest affidavit.

— Sofia Saric, Miami Herald, 26 Aug. 2026
Families typically will have no way of knowing what materials are inside counterfeit products.

— Hannah Nwoko, Parents, 13 Aug. 2026

Definition of counterfeit

Adjective

The outfit consisted of a sleeveless, mock-neck blouse in mocha-brown, tucked into a tawny suede skirt that hit just above her ankles.

— Chanel Vargas, InStyle, 30 Aug. 2026
Mirroring the look of King’s footwear, Osaka sported a metallic silver pleated top with a mock neckline and no sleeves.

— Amina Ayoud, Footwear News, 29 Aug. 2026

Definition of mock

Adjective

Telemachus’ lone contribution is killing Melanthius, the traitorous Ithacan farmhand, thus preventing him from continuing to arm the suitors.

— Marlow Stern, Variety, 17 July 2026
And at the very center of Hell is Satan himself, the traitorous Archangel Lucifer, depicted as a monstrous creature with wings and three heads.

— Keith Cooper, Space.com, 11 May 2026

Definition of traitorous

Adjective

Blanche is also confronting growing distrust of the Justice Department among judges, who in multiple cases have accused government lawyers of withholding information or misleading courts.

— Alanna Durkin Richer, Chicago Tribune, 28 Aug. 2026
Both made misleading statements when questioned by authorities, according to the lawsuit.

— Chase Jordan August 27, Charlotte Observer, 27 Aug. 2026

Definition of misleading

Adjective

Travelers can place too much trust in a confident but inaccurate answer.

— Jeff Fromm, Forbes.com, 28 Aug. 2026
Viral posts outlining ways to find AI tool hacks are now commonplace, but this also means an increase in factually inaccurate claims that are seen by millions of people.

— James Peckham, PC Magazine, 27 Aug. 2026

Definition of inaccurate

Browse Nearby Words

fall (to)

false

falsehood

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“False.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/false. Accessed 4 Sep. 2026.

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Synonyms of false

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