Definitions

double-check

VERB

ascertain

Synonyms

STRONGEST

confirm determine divine find out verify

STRONG

check dig discover establish eye eyeball fix identify learn peg read see settle size tell

WEAK

catch on check out check up on get down cold get down pat get hold of get it down get the hang of learn the ropes make certain make sure pick up pick up on size up

Antonyms

STRONGEST

disprove invalidate

STRONG

aid assist confuse destroy help ignore look away miss misunderstand neglect overlook unsettle

VERB

confirm

Synonyms

STRONGEST

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

STRONG

attest authenticate bless buy check circumstantiate debunk justify okay sanction settle subscribe underpin vouch warrant witness

WEAK

bear out check out give green light give high sign give stamp of approval give the go-ahead give the nod lap up make good make sure rubber-stamp sign off on size up thumbs-up

Antonyms

STRONGEST

confuse contradict deny disallow disapprove discredit disprove invalidate oppose refuse reject

STRONG

disagree refute veto

WEAK

annul cancel destroy repudiate void

VERB

corroborate

Synonyms

STRONGEST

authenticate confirm justify substantiate validate verify

STRONG

approve certify document endorse establish okay prove ratify strengthen support sustain

WEAK

bear out check on check out check up declare true give nod rubber-stamp

Antonyms

STRONGEST

disprove invalidate veto

STRONG

contradict deny disagree disapprove discredit oppose refuse reject

WEAK

disallow disclaim refute

VERB

reiterate

Synonyms

STRONGEST

echo renew repeat restate

STRONG

ditto ingeminate iterate recap recapitulate rehash reprise retell

WEAK

come again go over again play back recheck resay rewarn say again

Antonyms

WEAK

take back

VERB

verify

Synonyms

STRONGEST

authenticate certify check corroborate demonstrate establish find out justify prove substantiate

STRONG

attest debunk document eye eyeball peg settle size support test try

WEAK

add up bear out check out check up check up on hold up make certain make sure pan out size up stand up

Antonyms

STRONGEST

conceal confuse contradict deny discredit disprove hide invalidate reject

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

He thinks we should have them done somewhere else to double-check.

From MarketWatch • Mar. 27, 2026

It's difficult to double-check this claim, but Baller League matches are broadcast simultaneously across Sky, Twitch and YouTube and don't require a subscription.

From BBC • Mar. 25, 2026

In tiny print at the bottom of its Claude chatbot, Anthropic warns that “Claude is AI and can make mistakes. Please double-check cited sources.”

From Barron's • Feb. 6, 2026

I actually dug out the document from Nana’s file cabinet to double-check.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty

double-check

Example Sentences

Related Words