Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “wild card”

wild card

noun [C] uk   us  

wild card noun [C] (COMPUTING)

specialized computing in computers, a symbol that has no particular meaning of its own so that its space can be filled by any real character that is necessary: The wild cards are represented here by asterisks.

wild card noun [C] (COMPETITION)

someone who is allowed to take part in a competition, even though they have not achieved this in the usual way, for example by winning games: Phillips is hoping for a wild card entry to the championships.

wild card noun [C] (NOT KNOWN)

someone or something whose behaviour is sometimes unexpected: The wild card in this election is the Green Party - no one knows exactly how much support they will get.
(Definition of wild card from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of wild card?
Browse related topics

You are looking at an entry to do with Uncertainty, but you might be interested in these topics from the Chance and possibility topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “wild card” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More