Definition of nail something down in English:

nail something down

  • 1Identify something precisely: something seems unexpected—I can’t nail it down, but it makes me uneasy
    More example sentences
    • I'll keep thinking about it and see if I can nail it down a little more precisely.
    • But the story by now has become a rollercoaster, and I am an agnostic until someone nails it down.
    • And because it's of course in our backyard - we're based down here - we had some very good sources and we were able to nail this story down.
  • 2Secure an agreement: the company has finally nailed down the agreement with its distributors
    More example sentences
    • He has had opportunities to win the job but hasn't come close to nailing it down.
    • Until common standards, definitions and interpretations are nailed down and agreed, participants in future talks may as well be speaking two different languages.
    • That's the great danger that nothing about this handover has been nailed down, nothing that - you can't say the ink has not dried yet - the document hasn't been written yet.
See parent entry: nail

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Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea