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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

The death toll in Iran has been difficult to nail down, but Iran’s ambassador to the U.N. on Friday put the number at more than 1,300.

From Los Angeles Times • Mar. 8, 2026

Instead, nail down the parts that are boring.

From Barron's • Feb. 7, 2026

"There's a term called 'RuneScapiness' which is a little bit hard to nail down," game designer Molly Mason told the BBC.

From BBC • Jan. 5, 2026

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

From "The Hot Zone" by Richard Preston




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