SPONTANEITY Meaning of SPONTANEITY in English spontaneity BrE AmE ˌspɒnt ə ˈneɪ ət i -ˈni ː ‿, -ɪt i AmE \ ˌspɑːnt ə n ˈiː ət̬ i -ˈeɪ- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012