Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

reactive

adjective
 
 
/riˈæk.tɪv/

Definition

reacting to events or situations rather than acting first to change or prevent something: Unfortunately, the police have dealt with the problem of car theft in a reactive rather than a proactive way.Reacting and responding
(Definition of reactive adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“reactive” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More