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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.

Sabalenka was the heavy favourite to beat underdog Madison Keys in the 2025 Australian Open final, but came unstuck.

From BBC • Jun. 3, 2026

“The underdog stayed in the fight,” he said.

From Los Angeles Times • Jun. 3, 2026

The 35-year-old now lives in New Jersey in the United States and enters the biggest fight of his career as a heavy underdog.

From BBC • Jun. 1, 2026

The Trade Desk TTD 4.42%increase; green up pointing triangle carved out a niche as a fast-growing underdog that could take on Google in the digital-ad space.

From The Wall Street Journal • May 27, 2026

At least he’d been an appealing underdog then.

From "The House of the Scorpion" by Nancy Farmer




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