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adv C1 Advanced Uncommon

spontaneously

spon-TAY-nee-uhs-lee
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Spontaneously (adv) means In an unplanned, natural way; on impulse. Example: “The crowd spontaneously burst into song.”

adv
1
In an unplanned, natural way; on impulse.
"The crowd spontaneously burst into song."
"She spontaneously decided to quit her job and travel."

How to use spontaneously

Learner’s notes

In plain EnglishDoing something suddenly and without prior planning.

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Word forms

Comparative
more spontaneously
Superlative
most spontaneously
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Fill the gap

Can you complete this real example?

The crowd _____ burst into song.

Etymology

Formed from "spontaneous" plus the adverb ending "-ly."

impromptu ad lib ad libitum

Related words

Rhymes for spontaneously

See all rhymes for spontaneously →

Frequently asked questions

What does “spontaneously” mean?
The word “spontaneously” means in an unplanned, natural way; on impulse. In plain terms, doing something suddenly and without prior planning.
How do you pronounce “spontaneously”?
“Spontaneously” is pronounced spon-TAY-nee-uhs-lee (/spɑnˈteɪ.ni.əs.li/ in IPA).
How do you use “spontaneously” in a sentence?
Here is “spontaneously” used in a sentence: “The crowd spontaneously burst into song.”
What part of speech is “spontaneously”?
“Spontaneously” is an adverb.
Is “spontaneously” a common word?
“Spontaneously” is an uncommon word in modern English, usually learned at around the C1 level.

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