underdog

un·der·dog

noun \ˈən-dər-ˌdȯg\

: a person, team, etc., that is expected to lose a contest or battle

: a less powerful person or thing that struggles against a more powerful person or thing (such as a corporation)

Full Definition of UNDERDOG

1

:  a loser or predicted loser in a struggle or contest

2

:  a victim of injustice or persecution

Examples of UNDERDOG

1. I always root for the underdog instead of the favorite.
2. As a lawyer, she consistently represented the underdog.

First Known Use of UNDERDOG

1859

Rhymes with UNDERDOG

analog, analogue, apologue, attack dog, catalog, chili dog, decalogue, dialogue, dog-eat-dog, duologue, epilogue, hearing dog, homologue, leopard frog, monologue, mummichog, overdog, police dog, pollywog, prairie dog, running dog, shaggy-dog, sinologue, theologue, Tagalog, travelogue, water dog, waterlog, working dog, yellow-dog