Thesaurus
spontaneous
Synonyms and Antonyms of spontaneous
done instantly and without conscious thought or decision
conditioned, natural, Pavlovian, reactive, reflex, simple, subliminal, unconscious, unforced, visceral
blind, inadvertent, unintended, unintentional, unwilling, unwitting
ad-lib, extemporaneous, extempore, impromptu, improvised, offhand, offhanded, off-the-cuff, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unprompted, unreasoned, unrehearsed, unstudied
casual, chance, chancy, haphazard, hasty, hit-or-miss, impetuous, impulsive, mindless, random, rash
calculated, conscious, cultivated, deliberate, designed, intended, intentional, predetermined, prepared, projected, refined, rehearsed, volitional, voluntary, willed, willful (or wilful)
advised, aforethought, careful, considered, foresighted, forethoughtful, measured, meticulous, reasoned, studied, thoughtful
Synonym Discussion of spontaneous
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- a spontaneous burst of applause
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- impulsive acts of violence
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- blinking is an instinctive reaction
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- his denial was automatic
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- a mechanical teaching method
Learn More about spontaneous
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See words that rhyme with spontaneous Dictionary: Definition of spontaneous Medical Dictionary: Definition of spontaneous Spanish Central: Translation of spontaneous Nglish: Translation of spontaneous for Spanish speakers Britannica English: Translation of spontaneous for Arabic speakers
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