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

These highly reactive oxygen-containing molecules can then oxidize organic substrates. — New Atlas, 3 July 2026

Her league stays in constant reactive mode, accused of failing to protect its star of stars. — Jon Root Outkick, FOXNews.com, 3 July 2026

That combination of oil control plus barrier ingredients is why powders are often flagged as a good pick for combination and reactive skin. — Lauren Jarvis-Gibson july 1, Kansas City Star, 2 July 2026

Antioxidants work in the body to stabilize free radicals, which are highly reactive molecules that can damage cells and lead to inflammation throughout the body. — Angelica Bottaro, Verywell Health, 1 July 2026