• synonyms


[oh-puh n-uh n-shuht]
See more synonyms for open-and-shut on Thesaurus.com
  1. immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
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Origin of open-and-shut

An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


British Dictionary definitions for open and shut


  1. easily decided or solved; obviousan open-and-shut case
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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

Idioms and Phrases with open and shut

open and shut

Simple, straightforward, easily solved, as in With three eyewitnesses, the prosecutor said this case was open and shut. This term suggests that one has immediate access to the facts of a situation. [c. 1840]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.