1. spontaneous - Adjective
2. spontaneous - Adjective Satellite
Proceding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proportion.
Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth.
Produced without being planted, or without human labor; as, a spontaneous growth of wood.
Source: Webster's dictionaryhe made a few ad-lib remarks Source: Internet
spontaneous laughter Source: Internet
spontaneous combustion Source: Internet
a spontaneous abortion Source: Internet
A black stripe across the bottom of the otherwise gray rectangle gestures discreetly at the notion of a horizon, while a series of grids and scribbles above it feel as spontaneous as graffiti. Source: Internet
Accessed October 9, 2007 These reports are called "spontaneous reports" because reporting by consumers and health professionals is voluntary. Source: Internet