[wild card] n [wild card, playing card with arbitrarily determined value] (1972) 1: one picked to fill a leftover playoff or tournament berth after regularly qualifying competitors have all been determined
2: an unknown or unpredictable factor
[wild card] n [wild card, playing card with arbitrarily determined value] (1972) 1: one picked to fill a leftover playoff or tournament berth after regularly qualifying competitors have all been determined
2: an unknown or unpredictable factor
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012