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English definition of “underdog”

underdog

noun uk   /ˈʌn.də.dɒɡ/ us    /-dɚ.dɑːɡ/
the underdog [S] a person or group of people with less power, money, etc. than the rest of society: As a politician, her sympathy was always for the underdog in society.FailuresAccidents and disastersHigher and lower points of achievement [C usually singular] in a competition, the person or team considered to be the weakest and the least likely to winCompetitors and participants in sports and games
(Definition of underdog from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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