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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.

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

Sivakumar spent much of October talking to entrepreneurs to nail down an investment.

From The Wall Street Journal • Dec. 15, 2025

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

From "The Hot Zone" by Richard Preston