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Definitions

underdog

[uhn-der-dawg, -dog] / ˈʌn dərˌdɔg, -ˌdɒg /
NOUN
unlikely winner in a contest or struggle
Synonyms
Antonyms


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

But because fewer bettors typically back the underdog, payouts usually don’t eclipse sportsbooks’ overall revenue.

From Barron's • Mar. 30, 2026

The current race similarly features a political heavyweight, a wealthy businessman with a substantial advertising presence, and underdog candidates defying expectations about their viability.

From Los Angeles Times • Mar. 25, 2026

While Byrne didn’t pull off a deserved underdog win last week, an Oscar nomination — alongside her Golden Globe win in January — carries a certain cachet regardless.

From Salon • Mar. 22, 2026

Maybe it’s just the fight of the underdog.

From "The Running Dream" by Wendelin Van Draanen