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

The duo bicker, both in person and over the phone, as their uneasy dynamic proves to be the show’s driving force yet again.

— Siddhant Adlakha, Vulture, 24 Aug. 2026
Because of their popularity, BTS songs are frequently covered by groups at KCON, but newcomers Santos Bravos, who are under the same parent label, Hybe, had more to prove to this audience.

— Christine Terrisse, Los Angeles Times, 24 Aug. 2026

Definition of prove

Verb

Over the following decades, thousands more made the journey, with the American Colonization Society helping to establish settlements along the West African coast.

— Nimi Princewill, CNN Money, 24 Aug. 2026
Locating water that can be used by humans is vital to establishing any long-term lunar presence.

— Adam Kovac, Scientific American, 24 Aug. 2026

Definition of establish

Verb

Shipping traffic remains severely restricted, demonstrating that many shipowners are not willing to risk a possible Iranian attack and underscoring Tehran’s ongoing leverage over Hormuz.

— Hanna Ziady, CNN Money, 20 Aug. 2026
Government agencies should be expected to demonstrate the same commitment to competence, transparency, and adherence to the law.

— Sreedhar Potarazu, Baltimore Sun, 19 Aug. 2026

Definition of demonstrate

Verb

The organization's membership has grown by 77% to more than 3,300 people since HAAM began offering premium assistance, and more than 90% of members are now insured.

— Olivia Aldridge, NPR, 23 Aug. 2026
Whether to look the other way for people like me, or to flag us to insure that there were enough spots for those who genuinely needed them.

— Ledio Cakaj, New Yorker, 22 Aug. 2026

Definition of insure

Verb

Among the changes needed on the city’s streets was the welding of more than 200 manhole covers to ensure the race cars don’t suck them up off the road.

— ABC News, ABC News, 23 Aug. 2026
However, Jaworski, who has donated plasma four times, says payment helps to ensure a sustainable supply of the raw material for lifesaving medicines.

— CNN Staff, CNN Money, 23 Aug. 2026

Definition of ensure

Verb

China, India and Pakistan are among countries that have negotiated with Tehran to secure passage for their vessels.

— Billy Stockwell, CNN Money, 22 Aug. 2026
When the state failed to secure bids, municipalities had to seek emergency supplies or contact salt mines directly.

— Steve Zalusky, Chicago Tribune, 21 Aug. 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 25 Aug. 2026.

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Synonyms of nail (down)

verb

Example Sentences

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