ambassador

American  

[am-bas-uh-der, -dawr] / æmˈbæs ə dər, -ˌdɔr /

Archaic, embassador

noun

1. a diplomatic official of the highest rank, sent by one sovereign or state to another as its resident representative ambassadorextraordinaryandplenipotentiary.

2. a diplomatic official of the highest rank sent by a government to represent it on a temporary mission, as for negotiating a treaty.

3. a diplomatic official serving as permanent head of a country's mission to the United Nations or some other international organization.

4. an authorized messenger or representative. Amb., amb.

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ambassador British  

/ æmˌbæsəˈdɔːrɪəl, æmˈbæsədə /

noun

1. short for ambassador extraordinary and plenipotentiary ; a diplomatic minister of the highest rank, accredited as permanent representative to another country or sovereign

2. a diplomatic minister of the highest rank sent on a special mission

3. a diplomatic minister of the first rank with treaty-signing powers

4. an ambassador with special duties who may be sent to more than one government

5. an authorized representative or messenger

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Usage

The gender-neutral form is ambassador

Other Word Forms

• ambassadorial adjective
• ambassadorially adverb
• ambassadorship noun
• ambassadress noun
• preambassadorial adjective

Etymology

Origin of ambassador

First recorded in 1325–75; Middle English am-, embass(i)adour, imbassadore, from Anglo-French ambassateur, ambassaduer, from Italian ambassatore, dialectal Italian ambassadore, equivalent to ambass- stem of “to send a delegate” + -atore, -adore, from Latin -ātōrem accusative of -ātor noun-forming suffix; embassy, -ator

Example Sentences

Suspicion reigned even after Netanyahu posted a third video, this one with the US ambassador to Israel, Mike Huckabee.

From Barron's • Apr. 2, 2026

Iran's ambassador will not leave Lebanon despite being declared persona non grata and ordered to quit the country, an Iranian diplomatic source has told AFP.

From Barron's • Mar. 30, 2026

Tehran’s ambassador refuses to leave Beirut, as if he owns the place.

From The Wall Street Journal • Mar. 30, 2026

The California lawmaker also noted that members of Congress have sought testimony from the King's brother, Andrew Mountbatten-Windsor, as well as Peter Mandelson, the UK's former ambassador to the US, about their ties to Epstein.

From BBC • Mar. 30, 2026

The ambassador appears, trailed by a gaggle of aides and colleagues.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin