open-and-shut

[ oh-puh n-uh n-shuht ]
/ ˈoʊ pən ənˈʃʌt /

adjective

immediately obvious upon consideration; easily decided: an open-and-shut case of murder.

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. 2019

Examples from the Web for open-and-shut

British Dictionary definitions for open-and-shut

open-and-shut


adjective

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