51³Ô¹Ï

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View synonyms for

reactive

[ree-ak-tiv]

adjective

  1. tending to react.

  2. pertaining to or characterized by reaction.

  3. Electricity.Ìýpertaining to or characterized by reactance.



reactive

/ rɪˈæktɪv, ËŒriËækˈtɪvɪtɪ /

adjective

  1. readily partaking in chemical reactions

    sodium is a reactive metal

    free radicals are very reactive

  2. of, concerned with, or having a reactance

  3. responsive to stimulus

  4. (of mental illnesses) precipitated by an external cause

    reactive depression

“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other 51³Ô¹Ï Forms

  • reactively adverb
  • reactiveness noun
  • antireactive adjective
  • hyperreactive adjective
  • nonreactive adjective
  • overreactive adjective
  • unreactive adjective
  • °ù±ðˈ²¹³¦³Ù¾±±¹±ð±ô²â adverb
  • reactivity noun
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51³Ô¹Ï History and Origins

Origin of reactive1

First recorded in 1705–15; react + -ive
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Example Sentences

Examples have not been reviewed.

"Political will is often reactive - responding to disasters rather than investing in long-term resilience."

From

"We patrol 24/7, we carry out proactive, as well as reactive, operations," he said - citing a luxury yacht, hiding 20 Albanians below deck, that was intercepted en route to Newquay in Cornwall last month.

From

There’s a pattern here of Deborah not learning any lessons, only being reactive when things don’t go her way, but now that DJ is a mother, she’s set to change all of that.

From

"Younger Congress men and women are less knee jerk, reactively supporting Israel," she says.

From

Notwithstanding the Biden administration’s efforts, even most federal enforcement was reactive — responses to complaints filed with government authorities.

From

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reactivatereactive component