Definition of falsenext
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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

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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 The narrative that people shouldn't be running with him [is] totally false. Tamara Keith, NPR, 22 July 2026 The nonprofit, which has made false claims about the safety of vaccinations, interviewed Andrea and her husband, Nathaniel, days after their children’s deaths. Alex Brizee july 22, Idaho Statesman, 22 July 2026 Randall had been on the run and considered armed and dangerous until January, when Texas authorities notified Elk Grove police of his arrest in that state on suspicion of providing false information to federal agents. Rosalio Ahumada, Sacbee.com, 21 July 2026 Some innocents are coerced into false confessions, like what happened to the Central Park Five. Rene Denfeld, PEOPLE, 21 July 2026 See All Example Sentences for false
Recent Examples of Synonyms for false
Adjective
  • Vilified for superstitious or erroneous beliefs, many of these species did not actually compete with people for food or pose other significant dangers.
    Elan Abrell, The Conversation, 22 July 2026
  • Early details about the cause and source of the nationwide outbreak of cyclosporiasis—and the dangers in not immediately correcting erroneous information about it —is a good example.
    Edward Segal, Forbes.com, 20 July 2026
Adjective
  • The earrings create a faux huggie effect by rounding and curving upward at the bottom.
    Rachel Raposas, PEOPLE, 20 July 2026
  • Below it, there’s a wide concave base with a drainage hole that’s ideal for faux flowers, real flowers, or decorative rocks.
    Stephanie Osmanski, Better Homes & Gardens, 19 July 2026
Adjective
  • Two men were arrested Tuesday on suspicion of breaking into a South San Francisco residence and turning it into a counterfeit currency manufacturing operation, police said.
    Jason Green, Mercury News, 16 July 2026
  • If an agent books the wrong trip, buys counterfeit goods, renews the wrong subscription, or sends money to a fraudulent service provider, the defining question will not be whether the system worked as designed.
    Christer Holloman, Forbes.com, 10 July 2026
Adjective
  • Where Fake Sourdough Fits In From YouTube to TikTok, social media is full of mock sourdough recipes.
    Victoria Spencer, Martha Stewart, 18 July 2026
  • If this sounds familiar, that's because SpaceX has deployed mock Starlink satellites during previous Starship flight tests.
    Eric Lagatta, USA Today, 15 July 2026
Adjective
  • Under federal law, persons who 'knowingly and willfully … make any materially false, fictitious, or fraudulent statement or representation' to Congress may be subject to penalties.
    Garrett Downs, CNBC, 23 July 2026
  • Mind you, Miss Manners agrees with your indignation at this fraudulent maneuver.
    Judith Martin, Mercury News, 21 July 2026
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
Adjective
  • Also, when implementing AI, organizations can run into issues with the data environment around the AI model that have nothing to do with the model itself, such as when metadata can be incomplete and field names are misleading.
    Saurabh Gupta, Forbes.com, 23 July 2026
  • The next day, Blazers president Dewayne Hankins deferred questions through team spokesperson Charles Boyle, who said the city’s depiction of the Blazers is misleading.
    Jason Quick, New York Times, 21 July 2026
Adjective
  • That description is inaccurate and misrepresents both our organization and our mission.
    Torie Bosch, STAT, 18 July 2026
  • Decisions may ultimately rely on information that originated from an inaccurate source record.
    Beth Worthy, Forbes.com, 17 July 2026

Browse Nearby Words

Cite this Entry

“False.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/false. Accessed 26 Jul. 2026.

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