pin down Meaning, Definition & Usage

  1. verb define clearly
    nail down; narrow down; narrow; specify; peg down.
    • I cannot narrow down the rules for this game
  2. verb place in a confining or embarrassing position
    trap.
    • He was trapped in a difficult situation
  3. verb attach with or as if with a pin
    pin up.
    • pin up a picture

WordNet