Definitions

1. noun

A person or thing that is unpredictable or unpredictable in their behavior or effect.

“The stock market can be a wild card for investors.”

2. noun

A symbol or character used in computing or programming to represent a variable or unknown value.

“The programmer used a wildcard in the search query to match any term.”

3. noun

A player in a card game who is given special privileges or abilities.

“The wild card in the poker tournament shook up the competition.”

4. adjective

Unpredictable or subject to sudden change.

“The weather forecast is a wild card for outdoor events.”

5. verb

To play or act as a wild card, especially in a card game.

“She wildcards in the tennis tournament to try her luck.”