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nail down

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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb [transitive]
Word Forms
present tense
I/you/we/theynail down
he/she/itnails down
present participlenailing down
past tensenailed down
past participlenailed down
  1. 1
    informal to definitely decide, arrange, or complete something

    They're on the verge of getting the agreement nailed down.

See also main entry: nail

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selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

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