Meaning ofspontaneousin English

Adjective

1. done freely; without planning
   The children's spontaneous laughter filled the room.
2. happening naturally; without external cause
   The spontaneous combustion of the material was a surprise.
3. from instinct; without constraint
   The artist's spontaneous brushstrokes created a unique painting.
4. arising from a sudden impulse
   The crowd's spontaneous applause was a testament to the performer's talent.
5. happening suddenly, without prior planning
   The spontaneous decision to travel changed their lives.