a second examination or verification
chess a simultaneous check from two pieces brought about by moving one piece to give check and thereby revealing a second check from another piece
An Americanism dating back to 1950–55
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Definitely double check with your host to make sure the listing is up to date.
From The Wall Street Journal • Jun. 26, 2026
Moreover, workers may also have outsize expectations around AI’s automation capabilities, with many of the current tools still requiring workers to double check the completed work for errors.
From Barron's • Mar. 27, 2026
"I would wake up through the night just to double check my phone that I haven't slept through a phone call," his wife added.
From BBC • Feb. 9, 2026
If in doubt, call your insurance company to double check.
From MarketWatch • Dec. 10, 2025
As a double check I called several newspaper editors the other day and asked, "Why don't you print more UFO stories?"
From The Report on Unidentified Flying Objects by Ruppelt, Edward J.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
