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Synonyms

spontaneously

American  
[spon-tey-nee-uhs-lee] / spɒnˈteɪ ni əs li /

adverb

  1. naturally, without premeditation, prompting, or planning.

    The author recounts how a fully-fledged exchange market economy emerged spontaneously in his POW camp.

    These answers were given spontaneously to an open-ended question that did not offer response options.

  2. in an impulsive way.

    It was so cold the other night that I spontaneously booked a trip to Turks and Caicos.

  3. by a natural process or from an internal force or cause.

    A calf should normally stand spontaneously within 60–90 minutes of its birth.

    The symptoms resolved spontaneously within 6 months of onset.


Other Word Forms

  • nonspontaneously adverb
  • semispontaneously adverb
  • subspontaneously adverb
  • unspontaneously adverb

Etymology

Origin of spontaneously

spontaneous ( def. ) + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mormann adds: "The ability of these neuronal groups to link spontaneously allows us to generalize information while preserving the specific details of individual events."

From Science Daily

Scattered orange California poppies, California Lilac with bright blue blooms, and hummingbird sage with dark rose-lilac-colored flowers spontaneously tell us what we already know: Spring has arrived.

From Los Angeles Times

"Obviously, Grok does not spontaneously generate images, it does so only according to user requests", Musk wrote on X.

From BBC

"We see how loyal they are, how passionate they are, the tattoos and all kinds of things that that have been going on spontaneously, not because of promotion or marketing."

From BBC

"The Singers" focuses on a group of lonely men who spontaneously begin a musical competition one night in a bar.

From Barron's