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reactive
01
acting in response to a situation rather than initiating or controlling it
Examples
The company remained reactive instead of taking a proactive approach.
A reactive policy waits for problems to occur before addressing them.
02
responding to a stimulus, signal, or influence rather than acting independently
Examples
Pupils are reactive to light, contracting and dilating as needed.
The patient 's skin was reactive to the allergen.
03
having a tendency to undergo chemical reactions
Examples
Sodium is highly reactive with water.
The compound is reactive at room temperature and must be handled carefully.
Lexical Tree
unreactive
reactive
active
act
