Phrase guide

nail down

verb · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

to attach with nails

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • Nail down the shelf, then paint it.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

to make something (e.g. a decision or plan) firm or certain

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, transitive

Examples

  • They haven't nailed down their vacation plans yet.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

make final; put the last touches on; put into final form

Definition source: Princeton WordNet 3.0

Examples

  • let's finalize the proposal

Meaning relationships

Synonyms: finalize, finalise, settle

Antonyms: none provided

Broader terms: end, terminate

4

verb

Meaning 4

define clearly

Definition source: Princeton WordNet 3.0

Examples

  • I cannot narrow down the rules for this game

Meaning relationships

Synonyms: pin down, peg down, narrow down, narrow, specify

Antonyms: none provided

Broader terms: determine

Narrower terms: concretize

5

verb

Meaning 5

succeed in obtaining a position

Definition source: Princeton WordNet 3.0

Examples

  • He nailed down a spot at Harvard

Meaning relationships

Synonyms: nail, peg

Antonyms: none provided

Broader terms: succeed, win, come through, bring home the bacon, deliver the goods

History

Etymology

No etymology was provided for this word.