• WordNet 3.6
    • n spontaneity the quality of being spontaneous and coming from natural feelings without constraint "the spontaneity of his laughter"
    • ***
Webster's Revised Unabridged Dictionary
    • Spontaneity The quality or state of being spontaneous, or acting from native feeling, proneness, or temperament, without constraint or external force. "Romney Leigh, who lives by diagrams,
      And crosses not the spontaneities Of all his individual, personal life
      With formal universals."
    • Spontaneity (Biol) The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigor and refreshment.
    • Spontaneity (Biol) The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.
    • ***
Century Dictionary and Cyclopedia
    • n spontaneity Spontaneous character or quality; that character of any action of any subject by virtue of which it takes place without being caused by anything distinguishable from the subject itself. Spontaneity does not imply the absence of a purpose or external end, but the absence of an external incitement or external efficient cause.
    • n spontaneity In biology, the fact of apparently automatic change in structure, or activity in function, of animals and plants, whereby new characters may be acquired, or certain actions performed, under no influence of external conditions or stimulus; animal or vegetable automatism. The inherent tendency of an individual organism to vary in structure without reference to its conditions of environment, as when a plant or animal sports; spontaneous variability. Some of the most valuable strains of domestic animals and cultivated plants have arisen thus spontaneously.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Spontaneity the state or quality of being spontaneous
    • ***


  • Henri Frederic Amiel
    “Analysis kills spontaneity. The grain once ground into flour springs and germinates no more.”
  • Daniel J. Boorstin
    “The world of crime is a last refuge of the authentic, uncorrupted, spontaneous event.”
  • Reggie Leach
    Reggie Leach
    “Success is not the result of spontaneous combustion, you must set yourself on fire first.”
  • Sidonie Gabrielle Colette
    “My true friends have always given me that supreme proof of devotion, a spontaneous aversion for the man I loved.”
  • Henry Miller
    “All growth is a leap in the dark, a spontaneous, unpremeditated act without benefit of experience.”
  • Mark Caine
    Mark Caine
    “Meticulous planning will enable everything a man does to appear spontaneous.”


Webster's Revised Unabridged Dictionary
Cf. F. spontanéité,
Chambers's Twentieth Century Dictionary
L. spontaneussponte, of one's own accord.


In literature:

The applause was so vociferous, so spontaneous and hearty, that nothing approaching it ever had been heard at The Colonial.
"The Dude Wrangler" by Caroline Lockhart
At any rate, without discussing the future, here is another spontaneous association that has dispensed with Government.
"The Conquest of Bread" by Peter Kropotkin
Some of the swollen surface cells open spontaneously and discharge their contents, others drop off.
"Glaucoma" by Various
They have a spontaneous wit about them that only the Cockney possesses.
"Nights in London" by Thomas Burke
One reply to this objection is that the distinguishing characteristic of life is this very power of original, spontaneous movement.
"The Problems of Psychical Research" by Hereward Carrington
You have heard of spontaneous amputation?
"The History of Sir Richard Calmady" by Lucas Malet
The result is that such a work usually lacks spontaneity, conviction.
"Contemporary American Composers" by Rupert Hughes
The folkways are unconscious, spontaneous, uncoordinated.
"Folkways" by William Graham Sumner
But let it not be imagined that all these fruits spring from the soil spontaneously.
"The Young Maiden" by A. B. (Artemas Bowers) Muzzey
When He becomes real to us we spontaneously love Him.
"An Interpretation of Friends Worship" by N. Jean Toomer
Questions so skillful and natural and spontaneous that only a girl could discover the curiosity which prompted them.
"Mary, Mary" by James Stephens
The task is a toil and the results do not stimulate further spontaneous effort.
"The Eugenic Marriage, Vol. 3 (of 4)" by W. Grant Hague
As he wrote Harley became more and more absorbed in his subject, and with the absorption came spontaneity.
"The Candidate" by Joseph Alexander Altsheler
Spontaneity, unconscious existence, has no vulgarities.
"The Atlantic Monthly, Volume 18, No. 108, October, 1866" by Various
That which is spontaneous usually has shrewd reason behind it.
"The Armed Forces Officer" by U. S. Department of Defense
The English system had, in fact, spontaneously analysed the problem.
"The English Utilitarians, Volume II (of 3)" by Leslie Stephen
Spontaneous replies provide a special proof of this ability to form independent thoughts, and is found both among horses and dogs.
"Lola" by Henny Kindermann
There is a great deal too much variety and spontaneity and originality about.
"The Heart of Nature" by Francis Younghusband
This appeared a spontaneous outburst to the troops, and they marched with the elasticity of enthusiasm to their task.
"The Life of Napoleon Bonaparte" by William Milligan Sloane
The French Republic was not a spontaneous evolution of social elements.
"Lectures on the French Revolution" by John Emerich Edward Dalberg-Acton

In poetry:

The sigh spontaneous rose, the tear
Involuntarily flow'd;
No word of comfort could she speak,
Nor would she weep aloud.
"A Tale" by John Logan
She has a world of ready wealth,
Our minds and hearts to bless—
Spontaneous wisdom breathed by health,
Truth breathed by cheerfulness.
"The Tables Turned" by William Wordsworth
With active zeal, which no cold medium knew,
Nor party ruled, nor prejudice confined,
But, to thy heart's spontaneous impulse true,
Thou gay'st thy country ALL thy mighty mind.
"Sheridan" by Thomas Gent
I envied that bird, on that fair summer morning,
When nature lay decked with spontaneous art,
As he circled, with aspect defiant and scorning,
And perched on a pinnacle's loftiest part.
"Suggested" by Alfred Castner King
In the action of naturalness
The Ten Virtues spontaneously grow;
All the Ten Vices are thus purified.
By corrections or remedies
The Illuminating Void is ne'er disturbed.
These are the Key-points of Action.
"The Song Of View, Practice, And Action" by Jetsun Milarepa
So, sown in little clumps about the world,
The fair, the faithful and the uncondemned
Broke out spontaneously all over time,
Setting against the random facts of death
A ground and possibility of order,
Against defeat the certainty of love.
"Kairos and Logos" by W H Auden

In news:

The Sound of Spontaneity .
The Emerging Science of Spontaneous Order.
Burris said he first fatally shot Everette, a 58-year-old San Leandro resident, in the toll plaza parking lot and then spontaneously ran to Ross' toll booth and gunned her down as she was on duty.
Treater 's Native Mobile Apps Encourage Spontaneous Gift-Giving, Anywhere, Anytime.
This spontaneous act of truancy turned them into minor media celebs and Topic B at Irish bars and ballfields across this city.
The spontaneously created stringed instrument trio, borne of a Bay Area gig, performed Wednesday during the J.
Five-Hour Energy Linked To Heart Attacks, 'Spontaneous Abortion '.
He told The Chronicle after his arrest on arson and other charges that Burning Man had become too suburban and needed spontaneity.
Being spontaneous, it's what saved me.
Wiz Khalifa's Eagles Ballroom concert focused heavily on his enthusiasm for marijuana, but the highly structured set snuffed out the spontaneity the rapper easily achieved at his Summerfest set last year.
Some lawmakers have suggested the White House attempted to cover up the circumstances of the attack by saying it was spontaneous.
The first time was fun and funny and somewhat spontaneous.
I know quite a bit of people who live by the motto "You only live once" and enjoy trying crazy spontaneous adventures.
Ambassador to the United Nations Susan Rice says "all sorts of evidence" indicate the attack in Benghazi "began spontaneously " and was not preplanned.
US Ambassador to the United Nations Susan Rice says "all sorts of evidence" indicate the attack in Benghazi "began spontaneously " and was not preplanned.

In science:

Wettig spontaneous chiral symmetry breaking, the chiral condensate h ¯ψψi.
Random Matrix Theory and Chiral Symmetry in QCD
Chiral random matrix theory is the archetypal model for the spontaneous breaking of chiral symmetry.
Random Matrix Theory and Chiral Symmetry in QCD
Montaldi, Large-N spontaneous magnetization in zero dimension, J.
Phase transitions and random matrices
For r < 0 spontaneous oscillations are generated.
Mechanical oscillations at the cellular scale
An variety of cells contain structures which are able to spontaneously generate mechanical oscillations.
Mechanical oscillations at the cellular scale
The spontaneous processes are, however, purely quantum.
Stationary flows in quantum dissipative closed circuits as a challenge to thermodynamics
Bardakci, Dual Models and Spontaneous Symmetry Breaking, Nucl.
Properties of String Theory on Kaluza-Klein Melvin Background
Halpern, Explicit Spontaneous Breakdown in a Dual Model, Phys.
Properties of String Theory on Kaluza-Klein Melvin Background
Bardakci, Spontaneous Symmetry Breakdown in the Standard Dual String Model, Nucl.
Properties of String Theory on Kaluza-Klein Melvin Background
Spontaneous particle creation from vacuum induced by a strong external field was theoretically considered in many papers beginning with Refs [8, 9, 10].
Cherenkov radiation and pair production by particles traversing laser beams
In this framework, spontaneous symmetry breaking corresponds to non-zero values of Eq.(36) in the double limit J → ±0 and Ω → ∞.
A connection between gravity and the Higgs field
Using this criterion we can know which is the spontaneous evolution and which is the non-spontaneous one.
The cosmological origin of time-asymmetry
In four dimensions it is known that spontaneous symmetry breaking can occur for the U (N ) model but not for the O(N ) unless N = 2.
Noncommutative Supersymmetric Theories
Kaminsky, “Noncommutative field theory and spontaneous symmetry breaking”, hep-th/0003137, Nucl.
Noncommutative Supersymmetric Theories
We derive explicit expressions for the characteristic time scale τ of spontaneous intensity fluctuations beyond the instability threshold and the maximal Lyapunov exponent Λmax , characterizing the predictability of the system behavior.
Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity