Synonyms of reactive

reactive

adjective

as in spontaneous

done in immediate response to something especially without thinking or planning

He realized his aggressive response to their criticisms had been reactive.

The board stressed the need for a less reactive and more proactive approach to problem-solving.

Related Words

• spontaneous
• mechanical
• automatic
• mechanic
• conditioned
• simple
• instinctive
• reflex
• robotic
• blind
• abrupt
• instinctual
• uncontrollable
• unconscious
• improvised
• sudden
• unreasoned
• quick
• rooted
• impulsive
• involuntary
• knee-jerk
• visceral
• unthinking
• irrepressible
• unprepared
• subliminal
• Pavlovian
• natural
• entrenched
• unwitting
• snap
• casual
• inadvertent
• unforced
• unwilling
• deep-seated
• deep
• deep-rooted
• ready
• unintentional
• rash
• unintended
• random
• bred-in-the-bone
• impromptu
• unplanned
• impetuous
• unconsidered
• extemporaneous
• unrehearsed
• haphazard
• spur-of-the-moment
• hasty
• unpremeditated
• unstudied
• mindless
• chance
• extempore
• offhand
• off-the-cuff
• unprompted
• offhanded
• hit-or-miss
• ad-lib
• chancy

Dissimilar Words

• conscious
• deliberate
• prepared
• voluntary
• intentional
• intended
• careful
• calculated
• willful
• volitional
• refined
• designed
• rehearsed
• cultivated
• predetermined
• thoughtful
• willed
• reasoned
• projected
• meticulous
• measured
• considered
• controllable
• advised
• studied
• manageable
• proactive
• foresighted
• forethoughtful
• forward
• visionary
• aforethought
• farsighted
• provident
• prescient
• resistible
• forward-looking
• forehanded
• farseeing
• foreseeing

Example Sentences

Recent Examples of reactive

Ultrasound activated the material to generate reactive oxygen species, producing antibacterial effects in laboratory experiments alongside tooth whitening. — Mike McRae, New Atlas, 4 Nov. 2026

Meanwhile, researchers at Columbia University discovered that when microplastics and water mix, a third class of molecules, known as reactive oxygen species, is created. — Susanne Rust follow, Los Angeles Times, 29 Oct. 2026

To their credit, the creative minds behind the Absolute series don’t bother masking their politics — an especially bold move for anyone working in an industry with an often reactive and volatile fandom. — Christopher Cruz, Rolling Stone, 28 Oct. 2026

If your skin is especially reactive, patch-testing a new sunscreen before applying it to your entire face is always a good idea. — Christa Joanna Lee, Allure, 28 Oct. 2026