spontaneous Example Sentence:

No wonder they feel looser, more spontaneous, perhaps more assertive or funnier or blunter, in the language they were reared in from childhood.

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Related: spontaneous

Prev: As Masurium, it was the first element discovered that occurs in nature only from spontaneous fission, and as Technetium, it was the first element discovered in a laboratory.

Next: When they got up, the whole place broke out into spontaneous applause.