adv C1 Advanced Uncommon

spontaneously

spon-TAY-nee-uhs-lee

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

adv

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.

more spontaneously comparative, most spontaneously superlative

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Can you complete this real example?

The crowd _____ burst into song.

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

impromptu ad lib ad libitum

spontaneous impromptu ad hoc

famously anxiously seriously obviously curiously furiously nervously viciously jealously hideously previously vigorously

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.

spontaneous impromptu ad hoc