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
Others say the study could have overestimated the performance of the test because not all women had a biopsy - a more detailed test - to double check the result.
From BBC ● Feb. 4, 2026
If in doubt, call your insurance company to double check.
From MarketWatch ● Dec. 10, 2025
If he moved the Queen, which is attacked by the Knight, he would expose his King to a deadly double check, viz.:
From Chess and Checkers : the Way to Mastership by Lasker, Edward
The first time he put the camera behind a row of fans, I had to look over the edge of my 3D glasses to double-check that those waving arms weren’t really in my theater.
From Los Angeles Times ● May 7, 2026
It means bad AI output compounded by lazy humans who can’t be troubled to double-check.
From Barron's ● May 6, 2026
Always double-check the latest guidance from the IRS.
From MarketWatch ● Apr. 24, 2026
"If something doesn't feel right, trust your instincts and take a moment to double-check before making a payment," they said.
From BBC ● Mar. 29, 2026
Several minutes after he presses it, enough to make him double-check the address on the scrap of paper in his jacket pocket, Maxine arrives.
From "The Namesake" by Jhumpa Lahiri
Even though she has filters set up, Tabacnic always double-checks to make sure her matches are actually where the dating app says they are.
From MarketWatch ● Jun. 3, 2026
And someone on a hydraulic lift double-checks each hanging fixture.
From Los Angeles Times ● Nov. 8, 2024
That’s why a music conductor I know always double-checks with himself just before he hears “maestro to the pit” and must head to the podium to conduct an opera.
From Washington Post ● Jul. 2, 2021
Symonds, who publishes a travel blog called Ross the Explorer, always double-checks his room before checking out.
From Seattle Times ● Jul. 22, 2019
Then she double-checks the record on the spindle.
From "All the Light We Cannot See" by Anthony Doerr
Research shows that advisers find it more insulting to be double-checked by a chatbot than by a human rival.
From The Wall Street Journal ● Mar. 21, 2026
After hearing its predictions for the Sweet 16 round I double-checked the data.
From MarketWatch ● Mar. 18, 2026
She added: "I double-checked I locked the door. I couldn't work out how he was in my room because I did everything that I would deem to be correct when you stay in a hotel."
From BBC ● Mar. 5, 2026
The film’s access coordinator Chantelle Nassari also equipped Bode with a fully accessible trailer, double-checked the day’s pathways and ensured the actor had what she needed to be able to perform.
From Los Angeles Times ● Nov. 20, 2024
“And I double-checked the door before we went to bed,” said Miguel.
From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein
A weekday morning on the South Side, kids waiting for the No. 3 King Drive bus to get to school, parents double-checking backpacks and lunch bags while helicopters churn the sky above.
From Slate ● Aug. 25, 2025
The state appears to have presented a figure without fully explaining its methodology or double-checking the information, said Becker, who is a former senior trial attorney in the voting section of the U.S.
From Salon ● Oct. 15, 2024
Many of the studies dated back to the 19th century, before the advent of modern scientific imaging, or cited claims from those older studies made without double-checking them.
From Science Daily ● May 23, 2024
For him, grappling with the problem properly will involve training people to be more critical about the content they are consuming, including viewing everything with "a healthy scepticism", and double-checking sources.
From BBC ● Mar. 26, 2024
I spent the rest of the day double-checking my numbers and running more tests.
From "The Martian" by Andy Weir
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.
