hyperreactors
/ˌhaɪpərriˈæktərz/
noun
- People or things that react very strongly or excessively to a stimulus, situation, or substance.
- The team identified hyperreactors in the study who showed extreme stress responses to minor challenges.
- Some people are hyperreactors to caffeine and feel jittery after just one cup of coffee.
- In the allergy clinic, hyperreactors to pollen often need stronger medication during spring.