play a large role (in something)

play a large role (in something)

To have an extremely important or fundamental role (in some resultant situation, action, event, outcome, etc.). There were a lot of reason why I quit, but having to work 10 hours a day played a large role. Punk rock played a large role in forming my aesthetic sensibilities. The rookie quarterback ended up playing a large role in the team's amazing comeback victory yesterday.
See also: large, play, role
Farlex Dictionary of Idioms.
See also:
  • play a big role (in something)
  • play a bit role (in something)
  • play a small role (in something)
  • look the part
  • look/dress the part
  • chosen
  • equal to the occasion
  • change places with
  • change places with (one)
  • conflict of interest