Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “Uncle Sam”

See all translations

Uncle Sam

noun [S not after the] uk   /ˌʌŋ.kl̩ˈsæm/ informal us  
the US, or its government, sometimes represented by an image of a tall, thin man with a white beard and a tall hat
(Definition of Uncle Sam from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of Uncle Sam?
Add Cambridge dictionaries to your browser to your website

Definitions of “Uncle Sam” in other dictionaries

Word of the Day

ice over

If an area of water ices over, it becomes covered with a layer of ice.

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More