Last Updated：2025/11/20

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

Self-generated; happening without any apparent external cause. / Done by one's own free choice, or without planning.

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spontaneous

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Source Word

spontaneous

IPA(Pronunciation)

/spɒnˈteɪ.ni.əs/

Self-generated; happening without any apparent external cause. / Done by one's own free choice, or without planning.

Japanese Meaning

自然に生じる、外部の原因がなく自発的に起こること / 自発的な、計画や外部の影響なしに自分の意志で行われること

What is this buttons?

Her spontaneous decision to start a neighborhood compost program inspired many neighbors to join.

Google Translation / DeepL Translation

彼女が近所でコンポストプログラムを始めようとした自発的な決断は、多くの近隣住民を参加させるきっかけになった。

Sense（1）

Self-generated; happening without any apparent external cause.

He made a spontaneous offer of help.

Google Translation / DeepL Translation

Sense（2）

Done by one's own free choice, or without planning.

Sense（3）

Proceeding from natural feeling or native tendency without external or conscious constraint.

Sense（4）

Arising from a momentary impulse.

Sense（5）

Controlled and directed internally; self-active; spontaneous movement characteristic of living things.

Sense（6）

Produced without being planted or without human cultivation or labor.

H]e persisted in his design; and, because he would not make his wants known, actually subsisted for several days on hips, haws and sloes, and other spontaneous fruits which he gathered in the woods and fields.

Google Translation / DeepL Translation

Sense（7）

Random.

Sense（8）

Sudden, without warning.

more spontaneous

（ comparative ）

most spontaneous

（ superlative ）

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