nail down

USAGE SUMMARY

'nail down' is correct and usable in written English.
It is an idiom that means 'to firmly establish or agree on something' and is often used in the context of a plan or agreement. For example, "We need to nail down the details of the plan before we move forward."

✓ Grammatically correct

News & Media

Science

Formal & Business

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

They paused to nail down a definition.

The New York Times

Loans were hard to nail down.

The New York Times - Arts

It was too big to nail down.

The Guardian - Books

She can nail down the technical snags.

The New York Times

Like other unwritten rules, this one's hard to nail down.

The New York Times

David Letterman is more difficult to nail down.

The New York Times - Magazine

It is impossible to nail down why, of course.

The Guardian - Sport

Dan is a hard one to nail down.

The Guardian - Film

Even in Ikaria, the truth has been sometimes difficult to nail down.

The New York Times - Magazine

"He can really nail down how friends interact with each other".

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Conclude with a powerful nail-down, summarizing what you came here to say.

WikiHow

Expert writing Tips

Best practice

When using "nail down" in writing, ensure the context clearly indicates whether you mean physically attaching something with nails or finalizing a detail. The surrounding words should eliminate any ambiguity.

Common error

Avoid using "nail down" in contexts where a more literal verb like "secure" or "fasten" is more appropriate if you're not referring to finalizing something abstract. Overusing idioms can weaken your writing.

Linguistic Context

The idiomatic verb phrase "nail down" functions primarily as a transitive verb, requiring an object to complete its meaning. Ludwig AI highlights its use in making something firm or certain. Its two primary usages are to physically attach something with nails, or to finalize or clearly define something abstract.

Expression frequency: Very common

Frequent in

News & Media

54%

Science

22%

Formal & Business

12%

Less common in

Wiki

8%

Academia

2%

Reference

2%

Ludwig's WRAP-UP

In summary, "nail down" is a common and versatile idiomatic verb phrase with two primary meanings: to physically attach something with nails or to finalize or clearly define something. Ludwig AI confirms its correct usage and high frequency across diverse sources, including news, science, and business. While the phrase is generally neutral, it leans towards professional contexts and is used to emphasize the certainty and finality of an action or decision. When using "nail down", ensure the context clearly specifies the intended meaning, and consider semantically similar alternatives like "finalize", "settle", or "specify" to enrich your writing. Be mindful of potentially misinterpreting the idiomatic meaning in non-idiomatic context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

finalize

Implies completing the last details to make something official, more focused on the concluding aspect.

settle

Suggests resolving doubts or disputes to reach a final agreement, emphasizing resolution.

specify

Highlights the act of stating something precisely and clearly, more about detailed communication.

determine

Focuses on finding out or establishing something exactly, emphasizing the discovery aspect.

establish

Emphasizes setting something on a firm or permanent basis, highlighting stability.

conclude

Implies reaching a decision or bringing something to an end, stressing the termination aspect.

confirm

Focuses on verifying or validating something previously uncertain, stressing validation.

secure

Highlights the act of making something safe or certain to happen, emphasizing protection.

guarantee

Suggests providing a formal assurance or promise, stressing reliability.

pinpoint

Emphasizes identifying something exactly or precisely, more about precision.

FAQs

How can I use "nail down" in a sentence?

You can use "nail down" to mean either to physically attach something with nails, or to finalize something. For example, "Let's "nail down" the specifics of the contract today" means to finalize the details.

What does it mean to "nail down" a decision?

To ""nail down"" a decision means to make it final and certain, leaving no room for changes or ambiguity. It suggests a firm and conclusive resolution.

Which is the correct phrase, "nail down" or "nailed down"?

Both ""nail down"" and "nailed down" are correct, but they serve different grammatical functions. "Nail down" is the infinitive form, while "nailed down" is the past tense or past participle.

What's the difference between ""nail down"" and "iron out"?

"Nail down" means to finalize or make something definite, while "iron out" means to resolve difficulties or disagreements. You "iron out" problems before you ""nail down"" the details.