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Meaning of word reactive from English dictionary with examples, synonyms and antonyms.

reactive   adjective

Meaning : Participating readily in reactions.

Example : Sodium is a reactive metal.
Free radicals are very reactive.

(chemistry) not reacting chemically.

unreactive

Meaning : Reacting to a stimulus.

Example : The skin of old persons is less reactive than that of younger persons.

Synonyms : responsive