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to nail down
01
to secure something in place by using nails
Grammatical Information
Composition
phrasal
Action verb
Regular
Separable
Particle
down
Base verb
nail
Present tense
nail down
3rd person singular
nails down
Present participle
nailing down
Past simple
nailed down
Past participle
nailed down
Examples
The carpenter will nail down the shingles on the roof this afternoon.
02
to finally come to an agreement or decision
Examples
After weeks of discussions, the team managed to nail down the details of the project plan.
03
to make someone give a clear and definite answer or commitment
Examples
We need to nail down their commitment to the project before moving forward.
