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

Finding people at high risk of incubating the Bundibugyo virus, also known as contact tracing, has proved difficult in Congo.

— CONSTANT SAME BAGALWA, Arkansas Online, 4 Oct. 2026
Finding people at high risk of incubating the Bundibugyo virus — also known as contact tracing — has proved difficult in Congo.

— ABC News, ABC News, 3 Oct. 2026

Definition of prove

Verb

Earlier this month, Ralph Lauren revealed a partnership with the Korea National Cancer Center Foundation to establish the Ralph Lauren Center for Patient and Family Recovery at the National Cancer Center of Korea in Goyang, South Korea.

— Lisa Lockwood, Footwear News, 29 Sep. 2026
The push is the strongest effort yet to establish federal rules for college athletics and regulate athlete compensation after years of negotiations and tumult.

— Lauren Green, The Washington Examiner, 29 Sep. 2026

Definition of establish

Verb

The justices have been asked to determine whether states and localities have the ability to sue fossil fuel companies for damages caused by the effects of climate change, or whether federal law precludes such lawsuits.

— Callie Patteson, The Washington Examiner, 1 Oct. 2026
By drawing attention to current events through speculation, prediction markets help determine which events become visible.

— Simon Denny, Artforum, 1 Oct. 2026

Definition of determine

Verb

Membership had dwindled below 100 people, while the sanctuary cost about $400,000 a year to insure and maintain.

— John Blake, CNN Money, 1 Oct. 2026
Areas at high risk of flooding and where few people are insured tend to be poorer, experts said, as are areas where FEMA's flood maps don't properly convey the severity of the risk or mandate that enough people buy coverage.

— MICHAEL PHILLIS, Arkansas Online, 30 Sep. 2026

Definition of insure

Verb

Natural light streams into the galleries, ensuring an atmosphere that's always serene and never stuffy.

— Condé Nast, Condé Nast Traveler, 4 Oct. 2026
Lee then paused all executions after acknowledging the state had failed to ensure its lethal injection drugs were properly tested.

— Arkansas Online, Arkansas Online, 3 Oct. 2026

Definition of ensure

Verb

In August, the White House announced sanctions on five Cuban entities and eight individuals who help Cuba secure weapons and maintain relationships with foreign militaries.

— Claire Carter, The Washington Examiner, 30 Sep. 2026
Instead, the surest way to secure our biotech lead is to build up our own capabilities.

— Patrick McHenry, STAT, 30 Sep. 2026

Definition of secure

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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 5 Oct. 2026.

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Synonyms of nail (down)

verb

Example Sentences

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