nail down - definition and synonyms

phrasal verb [transitive]
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.

  2. 2
    to fix something firmly in position with a nail or nails
  3. 3
    informal to make someone agree to something or tell you what they are going to do

    I’ll try to nail Jim down about the date.

See also main entry: nail