Wildcard meaning
A playing card whose value can vary as determined by its holder.
noun
An athlete or team selected to compete in a tournament or playoff from among those who did not qualify by meeting the regular requirements.
noun
A symbol that stands for one or more unspecified characters, used especially in searching text and in selecting multiple files or directories.
noun
An unpredictable or unforeseeable factor.
A surprise witness proved to be the wild card at the trial.
noun
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(also written wild card) An uncontrolled or unpredictable element.
noun
(also written wild card) An element, often deliberately concealed, which is withheld for contingency.
noun
(sports) Alternative form of wild card.
noun