spontaneous
adjectiveStress: second syllable
Syllables: spon-ta-ne-ous (4)
English Definition
Happening or done in a natural, often sudden way, without any planning or without being forced.
Example Sentence
The audience burst into spontaneous applause.
US IPA
/spɑːnˈteɪniəs/
UK IPA
/spɒnˈteɪniəs/