Definitions

1. noun

an athlete or team considered unlikely to win because of a lack of skill or resources, but who unexpectedly achieves success

“The underdog in the competition won the championship against all odds.”

2. noun

a person or organization that is at a disadvantage but achieves success or popularity

“The small startup was initially considered an underdog in the tech industry, but it eventually became a successful company.”

3. adjective

describing an athlete or team considered unlikely to win because of a lack of skill or resources

“The underdog team fought hard to stay in the competition.”