nail down
English
Verb
nail down (third-person singular simple present nails down, present participle nailing down, simple past and past participle nailed down)
- (transitive) to attach with nails
- Nail down the shelf, then paint it.
- (idiomatic, transitive) to make something (e.g. a decision or plan) firm or certain
- They haven't nailed down their vacation plans yet.
See also
- copperfasten
- pin down
Anagrams
- lain down