Blunder

A blunder is a particularly bad mistake. Specific instances include:

Blunder (chess), a very poor move in chess
Hopetoun Blunder, an event in Australian history.
Brand blunder, in marketing.
Draft blunder, in American sports.
Himalayan Blunder, in Indian history.

Television

Blunder (TV series), a British comedy programme first shown on E4 in 2006.

See also

There are various colloquial terms, as a rule with slightly different connotations, for various forms and contexts of blunder. For example:

Howler (error), in which people, typically schoolchildren or politicians, provide embarrassing examples of misunderstandings.
Boner, which has been used both as a synonym for "howler" and for more material blunders.

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