Synonym Chooser

How is the word spontaneous distinct from other similar adjectives?

Some common synonyms of spontaneous are automatic, impulsive, instinctive, and mechanical. While all these words mean "acting or activated without deliberation," spontaneous implies lack of prompting and connotes naturalness.

a spontaneous burst of applause

In what contexts can automatic take the place of spontaneous?

The meanings of automatic and spontaneous largely overlap; however, automatic implies action engaging neither the mind nor the emotions and connotes a predictable response.

his denial was automatic

When is it sensible to use impulsive instead of spontaneous?

In some situations, the words impulsive and spontaneous are roughly equivalent. However, impulsive implies acting under stress of emotion or spirit of the moment.

impulsive acts of violence

When could instinctive be used to replace spontaneous?

The synonyms instinctive and spontaneous are sometimes interchangeable, but instinctive stresses action involving neither judgment nor will.

blinking is an instinctive reaction

Where would mechanical be a reasonable alternative to spontaneous?

The words mechanical and spontaneous are synonyms, but do differ in nuance. Specifically, mechanical stresses the lifeless, often perfunctory character of the response.

a mechanical teaching method

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of spontaneous In the meantime, Venus in Aquarius invites you to spice things up — maybe an unconventional date night or a spontaneous trip to ring in the new year. Valerie Mesa, People.com, 31 Dec. 2024 But he may best be remembered for a spontaneous act of frustration on Oct. 3, 2023: slamming down the gavel in the House after he had been named the temporary successor to McCarthy, his close ally and friend. Scott Wong, NBC news, 31 Dec. 2024 Also be sure to take a look at grocery bills and the tendency to add spontaneous purchases that can add up, Jenkin said. Lorie Konish, CNBC, 30 Dec. 2024 So next time, be open to the idea that maybe date night isn’t candlelit dinners but spontaneous hikes. Mark Travers, Forbes, 29 Dec. 2024 See all Example Sentences for spontaneous 
Recent Examples of Synonyms for spontaneous
Adjective
  • Update any automatic payments with your new card number.
    Fernanda Galan, Sacramento Bee, 13 Jan. 2025
  • The software utilizes a person’s Expected Movement Record and other data sources—such as visa data, profiles, in-country events, and API/PNR data—to issue automatic risk assessment scores for each traveler.
    Caitlin Chandler, WIRED, 13 Jan. 2025
Adjective
  • Will a mechanical dispenser be any more precise than standard teaspoons?
    Ars Technica, Ars Technica, 11 Jan. 2025
  • There is something about mechanical complexity, even for its own sake, that just makes some collectors swoon, and just about no complications is as superfluous today as the tourbillon.
    Blake Buettner, Robb Report, 10 Jan. 2025
Adjective
  • There are even grief counselors and social workers who specialize in sudden loss.
    Maya Richard-Craven, Forbes, 13 Jan. 2025
  • Her sister shared that while Hill-Wolfskill’s sudden and unexpected passing has been difficult, the family finds comfort in the lasting legacy of service her younger sister leaves behind.
    J.M. Banks, Kansas City Star, 12 Jan. 2025
Adjective
  • When the reflex actions are prevented, those muscle movements that ultimately cause the quick spoilage don’t occur.
    Simon Mainwaring, Forbes, 13 Jan. 2025
  • Basal tears keep the eye moist, while reflex tears are meant to protect the eye from irritants like dust.
    Jeremy Engle, New York Times, 25 Nov. 2024
Adjective
  • Asked what would happen to Gateway if SLS is cancelled, Daniel Neuenschwander, ESA's director of human and robotic exploration, responded that the cancellation would only impact ESA if no other launcher were able to transport Orion and the ESM to lunar orbit.
    Andrew Jones, Space.com, 16 Jan. 2025
  • To do that, someone would likely need to create a type of digital skin that would attach to a robotic limb and rapidly collect and interpret data about the world.
    Mack DeGeurin, Popular Science, 16 Jan. 2025
Adjective
  • Each guest is invited to discover the essences through an instinctive exploration guided by a specialist or Cheloni himself, aimed at choosing favorite notes and creating a bespoke fragrance.
    Sandra Salibian, WWD, 14 Jan. 2025
  • My creative process is instinctive and spontaneous.
    Stephan Rabimov, Forbes, 14 Jan. 2025
Adjective
  • Harroun installed it with a bracket above the dashboard rather than have a mechanic ride in the race with him, as was the custom of the day.
    George Petras, USA TODAY, 24 May 2024
  • When Part 4 was released in August 2023, mechanic Bennie was losing his garage.
    Cheryl V. Jackson, The Indianapolis Star, 17 Apr. 2024
Adjective
  • My top answer is a simple and no-brainer recommendation: Wash your hands with soap and water.
    Amanda Schupak, New York Times, 13 Jan. 2025
  • Adidas Originals Stan Smith Sneakers These iconic Stan Smith sneakers offer form and function thanks to their simple design, soft leather material (no blisters here!), and roomy fit.
    Rylee Johnston, Travel + Leisure, 12 Jan. 2025

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Thesaurus Entries Near spontaneous

Cite this Entry

“Spontaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/spontaneous. Accessed 21 Jan. 2025.

More from Merriam-Webster on spontaneous

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