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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.

Once a scrappy underdog in a race that OpenAI appeared to have already won, the gap between the two companies has narrowed significantly this year, with new data suggesting Anthropic’s growth continues to accelerate rapidly.

From The Wall Street Journal • May 13, 2026

Newspapers, magazines, radio, television, podcasts - all wanting a piece of the underdog threatening world football's greatest duopoly.

From BBC • May 13, 2026

Hyman, who has hundreds of thousands of social media followers, is the best known of the underdog candidates.

From Los Angeles Times • May 1, 2026

It was the underdog winning the cup against all expectations.

From BBC • Apr. 29, 2026

Matt knew he’d been, quite literally, an underdog, and Maria couldn’t resist a crusade.

From "The House of the Scorpion" by Nancy Farmer




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