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Definitions

nail down

NOUN
establish conclusively
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If one had to nail down the central theme of “The Audacity,” aside from pure human foible, it would be the perils posed to privacy by the profitability of data.

From The Wall Street Journal • Apr. 9, 2026

When Rupert’s children watched its too-close-for-comfort version of the chaos following Logan Roy’s sudden death, they leapt to nail down their family’s succession plan before it was too late.

From Salon • Mar. 14, 2026

EU-Swiss ties are currently governed by a patchwork of agreements, and the two have for years been striving to nail down a broader cooperation agreement.

From Barron's • Feb. 25, 2026

"But with Hubble's Advanced Camera for Surveys, we're able to nail down that there's nothing there."

From Science Daily • Jan. 9, 2026

Jahrling wanted to nail down this Marburg as fast as he could.

From "The Hot Zone" by Richard Preston