/spɑntejˈniʌsli/ - [spanteyneeuslee] - spon•ta•ne•ous•ly
We found 3 definitions of spontaneously from 2 different sources.
Adverb |
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spontaneously - in a spontaneous manner; "this shift occurs spontaneously" | ||
spontaneously - without advance preparation; "he spoke ad lib" | ||
ad lib, ad libitum, impromptu |