double check

¹

noun

Chess.

1. a simultaneous check by two pieces in which the moving of one piece to give check also results in discovering a check by another piece.

double-check

²

[duhb-uhl-chek]

verb (used with or without object)

1. to check twice or again; recheck.

noun

1. a second examination or verification to assure accuracy, proper functioning, or the like.

double-check

verb

1. to check twice or again; verify

noun

1. a second examination or verification

2. 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

Word History and Origins

Origin of double-check¹

An Americanism dating back to 1950–55

Example Sentences

He said while the ONS had "done the right thing" to halt publication to double check the data rather than "sweeping the problem under the carpet", the "mistakes are piling up".

From BBC

She added that some people who thought they were on a priority list were not, urging anyone who thinks they might be to double check.

From BBC

"We come down about twice a week, just to double check on them, and to make sure the water is running right."

From BBC

But double check that the expiry date on your passport is dated at least three months after the day you plan to leave.

From BBC

It also advises users to double check responses for accuracy - a common caveat accompanying AI chatbots, which can be known to state false information in a matter of fact, convincing way.

From BBC

Related Words

• affirm 
• approve 
• back 
• certify 
• corroborate 
• endorse 
• establish 
• explain 
• sign 
• substantiate 
• support 
• uphold 
• verify