as in automatic
done instantly and without conscious thought or decision
recoiling when a wasp is near is simply a spontaneous reaction
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example 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 late April, love gets chatty and playful when Venus enters Gemini, followed by electric Uranus, bringing sparks through conversation, witty banter, spontaneous plans and flirting that starts as a joke and ends in a date.
—
Valerie Mesa, PEOPLE, 7 Jan. 2026
This is an exciting, upbeat day full of spontaneous decisions and activities.
—Georgia Nicols, Denver Post, 4 Jan. 2026
Prioritize icons that are important to you, like the British Museum, Tower of London, or a West End show, but always leave space in between for spontaneous discoveries.
—Rachel Shoemaker, Travel + Leisure, 30 Dec. 2025
Dates aren’t meant to feel like manual data entry—they’re meant to test the natural, spontaneous connection between the two of you.
—Zing Tsjeng, Vogue, 26 Dec. 2025
See All Example Sentences for spontaneous
Recent Examples of Synonyms for spontaneous
Adjective
-
Membership is automatic for first-time guests who book a stay at rates running $3,000 to $5,000 a night for up to 10 people.—
-
In 2024, some 45% of participants boosted 401(k) deferrals — on their own or as part of their plan’s automatic increases — according to Vanguard’s 2025 How America Saves report, which is based on more than 1,400 plans and nearly 5 million participants.—
Adjective
-
Driving through deep water can also damage a vehicle's mechanical and electrical systems.—
-
Products like tractors, sprayers, irrigation equipment, mechanical pickers and fertilizer will also be exempt from the tax with the new cards.—
Adjective
-
Leave a safe distance between you and the vehicle in front of you to account for sudden stops or changes in the traffic pattern.—
-
The engine, freed from its hook by a sudden hard, precise kick, quickly sank into the river, pulling the cord tight and dragging the foreman underwater.—
Adjective
-
Or just a reflex mean-reversion trade in some laggard sectors at a time when the AI theme has become more fragmented and treacherous?—
-
As a result, reflex time — a mechanic that emulated the slow-motion gunfights of Hard Boiled or The Matrix, or bullet time from Remedy’s Max Payne (2001) — would be a defining aspect of F.E.A.R.’s gameplay.—
Adjective
-
For example, China has tested a satellite with a robotic arm that can shift other satellites into a different orbit.—
-
There were several such facilities at the time that were developing simulation centers with very sophisticated, six-figure robotic mannequins, on which training is done in low-stress environments for nurses, physicians and other healthcare providers.—
Adjective
-
The 6-foot, 195-pound versatile playmaker is instinctive, capable of quickly diagnosing layered route concepts, and will bait quarterbacks into making a mistake.—
-
For Madhurima Chakraborty, attending the impromptu protest was instinctive in the wake of Midway Blitz.—
Adjective
-
Car lots, mechanic shops, and cafes line a forlorn stretch of Route 66 in central Amarillo, but vibrant art galleries, antique shops, restaurants, a bookstore, and record shop are concentrated in a lively 13-block strip of the famed highway west of the central business district.—
-
In June 2020, the 72-year-old former police officer and mechanic pleaded guilty to 13 counts of first-degree murder and other crimes in order to avoid the death penalty.—
Adjective
-
This simple taupe geometric style peel-and-stick wallpaper is affordable, easy to apply, and looks gorgeous without being too bold or loud.—
-
The simple addition of zipper detailing adds a preppy energy to the top.—
Cite this Entry
“Spontaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/spontaneous. Accessed 13 Jan. 2026.
Love words? Need even more definitions?
Merriam-Webster unabridged
Share