What does reactive mean?

Definitions for reactiveriˈæk tɪv

Here are all the possible meanings and translations of the word reactive.

Princeton's WordNet

  1. reactive(adj)

    participating readily in reactions

    "sodium is a reactive metal"; "free radicals are very reactive"

  2. reactive, responsive(adj)

    reacting to a stimulus

    "the skin of old persons is less reactive than that of younger persons"


  1. reactive(Adjective)

    that reacts or responds to a stimulus

  2. reactive(Adjective)

    that readily takes part in reactions

    francium is the most reactive of the alkali metals.

  3. reactive(Adjective)

    Characterized by induction or capacitance rather than resistance.

  4. reactive(Adjective)

    Reacting to the past rather than anticipating the future, not predictive.

Webster Dictionary

  1. Reactive(adj)

    having power to react; tending to reaction; of the nature of reaction

  2. Origin: [Cf. F. ractif.]


  1. Chaldean Numerology

    The numerical value of reactive in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of reactive in Pythagorean Numerology is: 2

Sample Sentences & Example Usage

  1. Federal Judge Sergio Moro:

    As a judge, I act in an extremely reactive manner.

  2. Vicki Bryan:

    Reactive (strategy) is way more expensive than proactive.


    Fear drives you from a responsive state to reactive state! Watch On!

  4. Rob Pilgrim:

    It’s the first time we’ve seen an advertiser be reactive during a sporting event on YouTube.

  5. Chris Miller:

    We are hoping to be one of the first to establish this comprehensive screening of reactive proteins in wheat.

Images & Illustrations of reactive

  1. reactivereactivereactive

Translations for reactive

From our Multilingual Translation Dictionary

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