Word:

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.
Adj.1.spontaneous - happening or arising without apparent external cause; "spontaneous laughter"; "spontaneous combustion"; "a spontaneous abortion"
Synonyms: self-generated
Antonyms:
induced - brought about or caused; not spontaneous; "a case of steroid-induced weakness"
2.spontaneous - said or done without having been planned or written in advance; "he made a few ad-lib remarks"
Synonyms: ad-lib, unwritten
3.spontaneous - produced without being planted or without human labor; "wild strawberries"
Synonyms: wild
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
Translate Spontaneous to Spanish, Translate Spontaneous to German, Translate Spontaneous to French
Browse
Spongoid
Spongy
Spongy lead
Spongy platinum
Sponk
Sponsal
Sponsalia
Sponsible
Sponsion
Sponsional
Sponsions
Sponson
Sponsor
Sponsorial
Sponsorship
Spontaneity
-- Spontaneous --
spontaneous abortion
spontaneous combustion
spontaneous generation
spontaneously
spontaneousness
Spontoon
spoo
spoof
spoofing
spooge
Spook
spookily
spooky
Spool
spool file
Spool stand
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