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whodunnit

British  
/ huːˈdʌnɪt /

noun

  1. informal  a novel, play, etc, concerned with a crime, usually murder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Set on a country estate, it toggles between the Regency Era and the present and weaves together physics, history and a whodunnit involving the poet Lord Byron.

From The Wall Street Journal

The first movie has the classic whodunnit setting of a big, old mansion, while its sequel Glass Onion was set on a billionaire's private island.

From BBC

Mr Bruen says he has been interviewed by radio stations as far away as New Zealand and Canada on the "massive whodunnit".

From BBC

"Everyone who works at the pub is getting messages about it. It's like a massive whodunnit."

From BBC

A pub quizmaster sparked a "massive whodunnit" after he outed a team for cheating on social media but refused to name them.

From BBC