- A field on which a game, especially a ball game, is played.
- (figuratively) Any place or context within which competitive activity takes place, such as market competition between companies.
- 2020 August 26, Paul Stephen, “Network News: RDG urges tax revision to aid switch to 'greener' rail”, in Rail, page 16:
- A shake-up of transport taxes is needed to create a 'level green playing field' that better reflects how environmentally damaging each mode of transport is.
field on which a game is played