upsetter
/ʌpˈsɛtər/
noun
- A person or thing that causes someone to feel unhappy, worried, or disturbed.
- Don't be an upsetter — try to keep the peace.
- He was known as an upsetter because he always started arguments.
- The loud music was an upsetter for the neighbors trying to sleep.
- A person or team that defeats a stronger opponent unexpectedly, especially in sports.
- She was the upsetter in the race, finishing first despite being a newcomer.
- The underdog proved to be a true upsetter in the championship.
- The small school became the upsetter of the tournament by beating the top team.
Synonyms
Antonyms