reactive
/riˈæktɪv/
adjective
- Tending to react to things that happen rather than acting first to prevent or cause them.
- Her reactive approach to problems means she only fixes things after they break.
- The company was criticized for being too reactive instead of planning ahead.
- A reactive driver might slam on the brakes instead of anticipating the stop.
- Relating to a chemical substance that reacts easily with other substances.
- Sodium is a highly reactive metal that can explode when it touches water.
- Some reactive chemicals must be stored in special containers to prevent accidents.
- The lab technician handled the reactive gas with extreme caution.
- Relating to the body's response to a stimulus, such as an allergy or immune reaction.
- Doctors measured the reactive antibodies in her blood after the vaccine.
- The patient's reactive airway disease causes coughing when she exercises.
- A reactive skin test showed that he is allergic to cat dander.
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