Synonyms for

Reactive

Verb / ri:ˈæktɪv / Another word for reactive — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

tending to react or respond to a stimulus

Synonyms & similar words

unreactive responsive responsive sensitive reacting reflexive reflex impulsive volatile excitable passionate temperamental touchy combative defensive antagonistic hostile irritable inflammatory provocative inimical

Synonyms by register

Formal

responsive reflexive instinctive automatic

Informal

jumpy spooky quick to react on edge

Literary

impetuous hasty quick-tempered

Antonyms

proactive deliberate planned intentional foresighted strategic preemptive

Common collocations

  • reactive programming
  • reactive maintenance
  • reactive approach
  • reactive measures
  • reactive power
  • reactive arthritis
  • reactive attachment disorder

Word family

noun reactivity
verb react
adjective reactive
adverb reactively

Usage note

Often used in technical contexts like programming or chemistry. Can sometimes imply an undesirable lack of foresight or control.

Example sentences

  1. The dog is reactive to any sudden noise.
  2. She has a reactive personality and always responds quickly.
  3. The chemical compound is highly reactive and needs to be handled with care.
  4. The athlete has a reactive reflex to dodge incoming objects.
  5. His reactive behavior caused him to get into a lot of fights.

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