• WordNet 3.6
    • v topple fall down, as if collapsing "The tower of the World Trade Center tumbled after the plane hit it"
    • v topple cause to topple or tumble by pushing
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Webster's Revised Unabridged Dictionary
  • Interesting fact: The Leaning Tower of Pisa is predicted to topple over between 2010 and 2020.
    • v. i Topple To fall forward; to pitch or tumble down. "Though castles topple on their warders' heads."
    • v. t Topple To throw down; to overturn. "He topple crags from the precipice."
    • ***
Century Dictionary and Cyclopedia
    • topple To fall top or head foremost; fall forward as having too heavy a top; pitch or tumble down.
    • topple To overhang; jut, as if threatening to fall.
    • topple To throw headlong; tumble; overturn; upset.
    • ***
Chambers's Twentieth Century Dictionary
    • v.i Topple top′l to fall forward: to tumble down.
    • ***


  • Denis Diderot
    “Do you see this egg? With this you can topple every theological theory, every church or temple in the world.”


Webster's Revised Unabridged Dictionary
From Top summit
Chambers's Twentieth Century Dictionary
Freq. of top.


In literature:

He tripped up one of the Portuguese who couldn't speak English, dragged him to the cabin companion, and toppled him down the ladder.
"A Master of Fortune" by Cutcliffe Hyne
There was a crack, a puff of smoke, and White toppled over, with a bullet through his heart.
"An Autobiography of Buffalo Bill (Colonel W. F. Cody)" by Buffalo Bill (William Frederick Cody)
The fat fellows in the hammocks above me were in danger of toppling out and breaking their necks every minute.
"Cobwebs From an Empty Skull" by Ambrose Bierce (AKA: Dod Grile)
To topple over from the sublime to the ridiculous is not difficult.
"Robert Browning" by Edward Dowden
And yet Field never gave you the impression that he was about to topple over.
"Eugene Field, A Study In Heredity And Contradictions" by Slason Thompson
At once the other logs at the breast began to topple of their own accord into the stream.
"The Rules of the Game" by Stewart Edward White
Suddenly one of the Huns burst into flames and came toppling down behind his lines, his gas tank ablaze.
"A Yankee in the Trenches" by R. Derby Holmes
Clint toppled on top of the quarter.
"Left Tackle Thayer" by Ralph Henry Barbour
A figure straightened up in the boat ahead, waved his arms above his head, and with a cry toppled into the water.
"The Boy Allies Under the Sea" by Robert L. Drake
At times the ship rolled so far that she felt sure it must topple over.
"The Wings of the Morning" by Louis Tracy

In poetry:

That rises upward always higher,
And onward drags a labouring breast,
And topples round the dreary west,
A looming bastion fringed with fire.
"In Memoriam A. H. H.: 15." by Alfred Lord Tennyson
As he goes onward, perils seem to scatter,
Mind ever shows the conqueror of matter;
Even the mountain crags that toppled o'er him
Open before him;
"Confidence (In Sapphics.)" by Martin Farquhar Tupper
Over, that first one toppled; but on
Clambered the rest till their bayonets shone,
As hurriedly fled his men dismayed,
Not a bayonet's length from the length of his blade.
"The Last Redoubt" by Alfred Austin
And join our song, oh, every alien tongue,
Make thunder-music on our highest wall,
While hearts of kings are faint and terror-wrung,
And all the olden thrones are toppling to their fall!
"America" by Maurice Thompson
One dead trunk, like a ruined tower,
Dark-green with toppling trailers, shoved
Its wild wreck o'er the bush; one bower
Looked like a dead man, capped and gloved,
The one who haunted him each hour.
"Eidolons" by Madison Julius Cawein
Sometimes these icy mountains suddenly topple o'er
With a wild and rumbling hollow-starting roar;
And new peaks and cliffs rise up out of the sea,
While great cataracts of uplifted brine pour down furiously.
"Greenland's Icy Mountains" by William Topaz McGonagall

In news:

Why Hu May Topple Tung .
Unintimidated Tseng topples Wie.
Donna McAleer wants to topple Rob Bishop.
The escort who toppled a governor -- is sick of hiding.
The birds, who are known to live in some power poles and hide acorns in others, nearly toppled a power pole in a nearby nature area.
Aggressive woodpeckers forced the early closure of Sierra College on Tuesday afternoon after power and campus officials discovered the birds had nearly toppled a power pole in the nature area.
Aggressive woodpeckers forced the early closure of Sierra College in Rocklin this afternoon after power and campus officials discovered the birds had nearly toppled a power pole in the nature area.
19th century tombstones toppled.
Teresa Academy Topples Shawnee Heights 58-54.
Controlled explosions topple aging NY-VT bridge.
Crescenta Valley golf can't topple Arcadia .
Ringling stages huge rally to topple Wayne.
Rebels press guerrilla fight to topple Syria's regime deeper into capital.
Members of the University Greys Camp No 1803 of the Sons of Confederate Veterans repaired the fallen headstone of a Civil War veteran that toppled over earlier this year.
An April heat wave had New Yorkers flocking to city parks and beaches Sunday as weather records came toppling down.

In science:

The first possibility requires that the central site has not toppled since time TW , which has probability tending to 0 as time tends to infinity.
Critical densities in sandpile models with quenched or annealed disorder
The crossover turns into a real first order phase transition, toppling any hope that the SC expansion can be extended into the physical phase.
A String Project in Multicolour QCD
In type I avalanches any site topples at most once so nc = 1.
Breakdown of Simple Scaling in Abelian Sandpile Models in One Dimension
If zi ≥ 2d, then the site is unstable and topples giving one particle to each of its neighbors which in their turn, can be unstable and topple.
The Upper Critical Dimension of the Abelian Sandpile Model
The ”size” of an avalanche may be measured by the total number of topplings s, the number of distinct sites toppled a, the diameter of the region affected by avalanche r , and duration of avalanche t.
The Upper Critical Dimension of the Abelian Sandpile Model