Meaning of the word "against the odds" in English

What does "against the odds" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

against the odds

US /əˈɡɛnst ði ɑdz/
UK /əˈɡɛnst ði ɒdz/

Idiom

despite very unfavorable circumstances

Example:
She succeeded against the odds, becoming a doctor despite her humble beginnings.
The small team won the championship against the odds.