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- pronunciation:
- span
teI
ni
s
part of speech: |
adjective |
definition 1: |
happening in a free way; not forced.
My friend suddenly let out a spontaneous laugh.- synonyms:
- impulsive, natural, voluntary
- antonyms:
- prepared
- similar words:
- ad-lib, free, impetuous, snap
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definition 2: |
happening without outside causes or forces.
There was a spontaneous explosion in the lab.- similar words:
- automatic, natural
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related words: |
instinctive, offhand |
derivations: |
spontaneously (adv.), spontaneousness (n.) |
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