elbow room

/EH1 L B OW0 R UW1 M/
noun
  1. 1

    Room or space in which to move or maneuver.

    โ€œThere wasn't that much elbow room in the aircraft.โ€

  2. 2

    Freedom or leeway.

    โ€œThe employees really don't have much elbow room in which to explore new ideas.โ€

Source: https://en.wiktionary.org/wiki/elbow%20room