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English to English adjective
| 1 |
happening or arising without apparent external cause |  | Example: spontaneous laughter spontaneous combustion a spontaneous abortion
source: wordnet30
| 2 |
Proceding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proportion. |  | source: webster1913 adjective satellite
| 3 |
said or done without having been planned or written in advance |  | Example: he made a few ad-lib remarks
source: wordnet30
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