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Synonyms

endorse

American

[en-dawrs] / ɛnˈdɔrs /

verb (used with object)

to approve, support, or sustain.

to endorse a political candidate.

Synonyms:

second, back, sustain, uphold, ratify, sanction
to designate oneself as payee of (a check) by signing, usually on the reverse side of the instrument.
to sign one's name on (a commercial document or other instrument).
to make over (a stated amount) to another as payee by one's endorsement.
to write (something) on the back of a document, paper, etc..

to endorse instructions; to endorse one's signature.
to acknowledge (payment) by placing one's signature on a bill, draft, etc.

noun

Heraldry. a narrow pale, about one quarter the usual width and usually repeated several times.

endorse British

/ ɪnˈdɔːs /

verb

to give approval or sanction to
to sign (one's name) on the back of (a cheque, etc) to specify oneself as payee
commerce
1. to sign the back of (a negotiable document) to transfer ownership of the rights to a specified payee
2. to specify (a designated sum) as transferable to another as payee
to write (a qualifying comment, recommendation, etc) on the back of a document
to sign (a document), as when confirming receipt of payment
to record (a conviction) on (a driving licence)

"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

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of endorse

First recorded in 1350–1400; variant (with en- for in- ) of earlier indorse, from Medieval Latin indorsāre “to endorse,” equivalent to Latin in- in- ² + -dorsāre, derivative of dorsum “back”; replacing endoss, Middle English endossen, from Old French endosser, equivalent to en- en- ¹ + -dosser, derivative of dos, from Latin dorsum

Explanation

To endorse is to give support to someone or something. "I endorse this!" means "I think this is a good thing, and so should you." People endorse in many ways. When someone endorses a politician, it means "You should vote for this person, and I'm putting my reputation on the line to say so." When someone endorses a product in a commercial, it means "Go buy this! You'll like it." To endorse is to give support. You can also endorse a check, which means writing your name or someone else's on the back so that you or the other person can cash or deposit it.

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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.

See Examples For:

endorse endorses endorsed endorsing

When measles started circulating last year, Kennedy was slow to endorse the MMR shot and hawked ineffective measles treatments.

From Slate ● Jul. 24, 2026

But his decision to endorse a major offshore oil exploration project off the coast of the Amazon has garnered virulent criticism from activists.

From Barron's ● Jul. 21, 2026

For 70 years, it has operated under one rule: It cannot endorse a political candidate.

From Salon ● Jul. 18, 2026

And there is a precedent in these situations for opponents not to put up candidates - and to argue they are not going to endorse what they see as a publicity stunt by taking part.

From BBC ● Jul. 7, 2026

To deny its powerful, subsisting reality would be to endorse a simplistic and ultimately unhelpful evasion.

From "Class Matters" by The New York Times

The U.S. endorses that approach, a senior American official said.

From The Wall Street Journal ● Jun. 24, 2026

It is lost on me how he could square those poetic words with the decision he endorses in Callais.

From Slate ● Apr. 30, 2026

The EFF instead endorses robust data privacy legislation that better informs users of what information they’re often unintentionally giving away when they agree to Big Tech’s terms and conditions.

From Salon ● Apr. 16, 2026

“I’m disappointed most of them will be on the ballot,” said Lorena Gonzalez, the head of the California Federation of Labor Unions, which will announce whether it endorses in the governor’s race on March 16.

From Los Angeles Times ● Mar. 5, 2026

Even more extreme is the case where a celebrity endorses a diet or medicine or whatever, in which case we have a sample of one, and generally a paid sample at that.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos

Momentum investing has paid huge dividends over time, and it is strongly endorsed by academic research, but the returns can be lumpy — you will occasionally get a very nasty spell of underperformance.

From MarketWatch ● Jul. 22, 2026

In a livestream of the summit he did not explain what measures he endorsed -- saying there were "two competing views" over the ETFs tied to national flagship tech firms.

From Barron's ● Jul. 21, 2026

SHANGHAI—Chinese leader Xi Jinping endorsed the building of open-source artificial-intelligence models, touting an approach that has helped the country catch up with the U.S. in global influence.

From The Wall Street Journal ● Jul. 17, 2026

Kleban, though, is close to Gov. Janet Mills; he endorsed her after dropping out of the Senate race the first time.

From Slate ● Jul. 16, 2026

Well-known quotations embody both of these things: they come with the imprimatur both of ancient derivation, and of the many people who, by passing it on, in some way are understood to have endorsed it.

From "Words Like Loaded Pistols" by Sam Leith

"You can shape a treatment to fit the belief system without explicitly endorsing it," French said, conceding an exorcism might even have a beneficial placebo effect in some cases.

From Barron's ● Jul. 19, 2026

“It seems to me that you can read all of these old decisions as endorsing the proposition that the court has decided that this is really not a very strong argument,” Greenberg said.

From Salon ● Jul. 10, 2026

Rather than unconditionally endorsing China’s state-led tactics, the authors offer a guide on how democracies can use those high-cost, risky tools smartly—without hollowing out the open, rules-based trading order they’re trying to defend.

From The Wall Street Journal ● Jun. 23, 2026

The council’s rules committee moved ahead with the park proposal anyway, endorsing it with a unanimous vote.

From Los Angeles Times ● Jun. 17, 2026

“Thanks,” she said, probably happy that someone was endorsing it.

From "Better Nate Than Ever" by Tim Federle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023