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From the Editors at Merriam-Webster
Top Banana, Kingpin, and Other...
Top Banana, Kingpin, and Other Nicknames for Important People
Big wigs, big enchiladas, and big shots
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Last Updated
24 Feb 2020
Cite this Entry
“Underdog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underdog. Accessed 8 Apr. 2020.
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Time Traveler for underdog
The first known use of underdog was in 1859
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