NAIL (DOWN) Synonyms: 28 Similar and Opposite Words

nail (down)

verb

Definition of nail (down)

as in to prove

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Example Sentences

Recent Examples of Synonyms for nail (down)

Verb

Conclave proved an audience hit as well as an award darling, generating over $125 million at the global box office on a $20 million budget.

— Lily Ford, HollywoodReporter, 26 Sep. 2026
In one of the few wins for the defense, jurors found the state didn’t prove that Facebook made false claims about removing harmful content, including misinformation about the COVID-19 pandemic.

— Mikella Schuettler, Fortune, 26 Sep. 2026

Definition of prove

Verb

Post-reaction analysis using scanning electron microscopy and energy-dispersive X-ray spectroscopy, or SEM/EDX, also showed morphological and compositional changes in the catalyst samples.

— Neetika Walter, Interesting Engineering, 22 Sep. 2026
In a new paper published in Royal Society Open Science, mathematician Alain Goriely shows that even though the stylobate really is curved, the illusion doesn’t hold up.

— Emma Gometz, Scientific American, 22 Sep. 2026

Definition of show

Verb

The vote will determine the next prime minister and the makeup of the government, which will serve alongside a powerful monarchy that retains broad authority over strategic affairs.

— Arkansas Online, Arkansas Online, 24 Sep. 2026
Organizations have compared benchmark scores, reasoning capabilities and response quality to determine which AI model is smartest.

— Samir Dutta, Forbes.com, 23 Sep. 2026

Definition of determine

Verb

The obvious next step would be to balance the look's short hemline with an equally classic pair of knee-high boots, just as Bella Hadid recently demonstrated on the streets of New York.

— Emily Tannenbaum, Glamour, 23 Sep. 2026
The Italian brand however, previously acknowledged the atelier’s contributions on social media and are bringing Chanakya artisans to an upcoming Harrods pop-up in London to demonstrate craft techniques.

— CNN Money, CNN Money, 23 Sep. 2026

Definition of demonstrate

Verb

Bloomberg reported this week that Oracle’s decision to invoke force majeure on a New Mexico data center sent the cost of insuring its debt against default to a record.

— Amanda Gerut, Fortune, 26 Sep. 2026
Patti Kanegae, a former resident of Largo, said her bill to insure her older home there doubled over four years, from $2,000 to $4,000, despite improvements to protect it against damaging hurricane winds.

— Ron Hurtibise, Sun Sentinel, 25 Sep. 2026

Definition of insure

Verb

Also remember that anytime suspension components such as lower control arms are replaced, a wheel alignment should be performed afterward to ensure proper tire wear and handling.

— John Paul Senior Manager Public Affairs And Traffic Safety Aaa Northeast, Hartford Courant, 26 Sep. 2026
In California, a parent or legal guardian can surrender a baby within 72 hours of birth — no questions asked — to ensure the child’s well-being, the department said.

— Iris Kwok, Los Angeles Times, 26 Sep. 2026

Definition of ensure

Verb

The Chinese battery maker said on September 22 that the plant had secured the permits and met the regulatory requirements needed to start trial operations.

— Sujita Sinha, Interesting Engineering, 23 Sep. 2026
According to internal government records reviewed by The Washington Post, at least $410 million has been pledged towards securing more migration deals with third countries.

— The Week UK, TheWeek, 22 Sep. 2026

Definition of secure

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.

Browse Nearby Words

nail-biting

nail (down)

nailed

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Style

“Nail (down).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nail%20%28down%29. Accessed 29 Sep. 2026.

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Synonyms of nail (down)

verb

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