noun
ambassador
am-BAS-uh-duh
noun
1
A diplomat of the highest rank sent by one country to represent it in another.
"The new ambassador presented her credentials to the president."
"He served as ambassador to France for six years."
2
A person who represents or promotes an organization, brand, or cause, often informally.
"The retired athlete now works as a brand ambassador for a sportswear company."
How to Use Ambassador
Learner’s notesIn plain EnglishAn official representative of a country abroad, or more loosely, anyone who represents and promotes something.
Common pairings
ambassador to
goodwill ambassador
brand ambassador
appoint an ambassador
Word Forms
ambassadors plural
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Etymology
From Old Italian ambassadore, ultimately traced back through Old Occitan and Proto-Celtic to a root meaning "to drive around" — the original sense being a servant or messenger sent on an errand.