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Synonyms

underdog

American  
[uhn-der-dawg, -dog] / ˈʌn dərˌdɔg, -ˌdɒg /

noun

  1. a person who is expected to lose in a contest or conflict.

  2. a victim of social or political injustice.

    The underdogs were beginning to organize their protests.


underdog British  
/ ˈʌndəˌdɒɡ /

noun

  1. the competitor least likely to win a fight or contest

  2. a person in adversity or in a position of inferiority

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underdog

1875–80, under- + dog ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Apple has come a long way from its days as a scrappy underdog in the personal-computing world.

From MarketWatch • Mar. 31, 2026

UConn’s upset means bettors who put money on the underdog will receive a larger payout.

From Barron's • Mar. 30, 2026

And an underdog who stayed in the contest in defiance of steep odds and, seemingly, common sense.

From Los Angeles Times • Mar. 25, 2026

Our columnist traveled via Mint service on the underdog airline from JFK to Heathrow.

From The Wall Street Journal • Mar. 23, 2026

He demonstrated the courage and resourcefulness of the underdog, and the power of a less sophisticated but patriotic army against a tested war machine.

From "Long Walk to Freedom" by Nelson Mandela