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. © 2015 Farlex, Inc, all rights reserved.