Spontaneous

Definition of Spontaneous

Spon`ta´ne`ous   Pronunciation: spǒn`tā´nė`ŭs
a.1.Proceeding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proposition.
2.Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth.
3.Produced without being planted, or without human labor; as, a spontaneous growth of wood.
Spontaneous combustion
combustion produced in a substance by the evolution of heat through the chemical action of its own elements; as, the spontaneous combustion of waste matter saturated with oil.
Spontaneous generation
(Biol.) See under Generation.
Spontaneous joys, where nature has its play,
The soul adopts, and owns their firstborn away.
- Goldsmith.

Related Words

ad lib, arbitrary, automated, automatous, autonomous, bat, baton, billy, billy club, bludgeon, casual, club, cybernated, discretional, discretionary, elective, extempore, free, free will, gratuitous, gut, ill-advised, ill-considered, ill-devised, immediate, impetuous, impromptu, improvised, inadvertent, indeliberate, independent, inherent, innate, instinctual, involuntary, libidinal, mace, mechanical, nightstick, nonmandatory, off the cuff, offered, offhand, optional, proffered, reflex, reflexive, self-acting, self-active, self-adjusting, self-closing, self-controlled, self-cooking, self-determined, self-determining, self-directed, self-directing, self-dumping, self-governed, self-governing, self-lighting, self-operative, self-regulative, self-starting, self-winding, self-working, semiautomatic, simple, snap, spontoon, spur-of-the-moment, subliminal, truncheon, unadvised, unannounced, unasked, unbesought, unbidden, uncalculated, uncalled-for, uncoerced, uncompelled, unconscious, unconsidered, unconstrained, undeliberate, undeliberated, undesigned, unforced, unguarded, uninfluenced, unintended, unintentional, uninvited, unlearned, unmeditated, unplanned, unpremeditated, unprepared, unpressured, unprompted, unrehearsed, unrequested, unrequired, unsolicited, unsophisticated, unsought, unstudied, unthinking, unwilled, unwitting, volunteer, willful
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Spongiole
Spongiolite
Spongiopilin
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Spongiozoa
Spongoblast
Spongoid
Spongy
Spongy lead
Spongy platinum
Sponk
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Spontaneity
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Spontaneous combustion
Spontaneous generation
Spontoon
Spook
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Spoon-billed
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Spoonbilled widgeon
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