underdog

noun

un·​der·​dog ˈən-dər-ˌdȯg How to pronounce underdog (audio)
Synonyms of underdognext
1
: a loser or predicted loser in a struggle or contest
… the biggest obstacle has been the adjustment from underdog last season to contender …Mike Wise
2
: a victim of injustice or persecution
… portrayed himself as an honest underdog that the Government would do anything to stop.Michael Specter

Examples of underdog in a Sentence

I always root for the underdog instead of the favorite. As a lawyer, she consistently represented the underdog.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Born in a Rio de Janeiro favela, few soccer players symbolize better the rags to riches from pitches underdog story. John Hopewell, Variety, 15 May 2026 SpaceX has grown from a relative underdog in the space industry to an aerospace behemoth with billions of dollars in government contracts and serves as a backbone for America’s space program. Anthony Hughes, Fortune, 15 May 2026 One of the most consistently infuriating elements of Yellowstone was how Sheridan kept positioning the Duttons — a family of land barons with immense political power and a penchant for murder — as righteous underdogs. Noel Murray, Vulture, 15 May 2026 The Wild would have been underdogs to beat the league’s best team even with Joel Eriksson Ek and Jonas Brodin, who both missed the series with injuries. Michael Russo, New York Times, 14 May 2026 See All Example Sentences for underdog

Word History

First Known Use

1859, in the meaning defined at sense 1

Time Traveler
The first known use of underdog was in 1859

Browse Nearby Words

Cite this Entry

“Underdog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underdog. Accessed 21 May. 2026.

Kids Definition

underdog

noun
un·​der·​dog ˈən-dər-ˌdȯg How to pronounce underdog (audio)
: the loser or predicted loser in a struggle

More from Merriam-Webster on underdog

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster