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

5 meanings: 1. readily partaking in chemical reactions 2. of, concerned with, or having a reactance 3. responsive to stimulus.... Click for more definitions.

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

REACTIVE meaning: 1 : done in response to a problem or situation reacting to problems when they occur instead of doing something to prevent them; 2 : tending to change into something else when …

reactive, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Dec 4, 2025 · reactive (comparative more reactive, superlative most reactive) That reacts or responds to a stimulus. (chemistry) That readily takes part in reactions.

reactive meaning, definition, what is reactive: reacting to events or situations rather ...: Learn more.

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.

Reactive - Meaning, Definition & English Examples Reactive describes something that responds to events or changes rather than initiating them. It often implies a quick or automatic response to …

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