The meaning of REACTIVE is of, relating to, or marked by reaction or reactance. How to use reactive in a sentence.

Reactive definition: tending to react.. See examples of REACTIVE used in a sentence.

REACTIVE definition: 1. reacting to events or situations rather than acting first to change or prevent something: 2…. Learn more.

If someone is reactive, they behave in response to what happens to them, rather than deciding in advance how they want to behave.

reactive - participating readily in reactions; "sodium is a reactive metal"; "free radicals are very reactive"

Definition of reactive adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Reactive is an adjective used to describe something that reacts or responds to a situation or stimulus rather than initiating or controlling it. It often indicates a tendency to respond to …

Jan 2, 2025 · reactive (comparative more reactive, superlative most reactive) That reacts or responds to a stimulus. That readily takes part in reactions.

To be reactive is to be ready to react or respond to something else — as opposed to ready to act on one's own. A person who's reactive does things only in response to others.

Find 91 different ways to say REACTIVE, along with antonyms, related words, and example sentences at Thesaurus.com.