• WordNet 3.6
    • v thud strike with a dull sound "Bullets were thudding against the wall"
    • v thud make a dull sound "the knocker thudded against the front door"
    • v thud make a noise typical of an engine lacking lubricants
    • n thud a heavy dull sound (as made by impact of heavy objects)
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Webster's Revised Unabridged Dictionary
    • n Thud thŭd A dull sound without resonance, like that produced by striking with, or striking against, some comparatively soft substance; also, the stroke or blow producing such sound; as, the thrud of a cannon ball striking the earth. "At every new thud of the blast, a sob arose.""At intervals there came some tremendous thud on the side of the steamer."
    • ***
Century Dictionary and Cyclopedia
    • thud To push; press.
    • thud To beat; strike.
    • thud To drive with impetuosity.
    • thud To emit a low. dull sound such as is produced by a blow upon a comparatively soft substance.
    • thud To rush with a hollow sound.
    • thud To move with velocity: as, “he thudded away,”
    • n thud The sound produced by a blow upon a comparatively soft substance; a noise like that of a heavy stone striking the ground; hence, a stroke or blow causing a dull, blunt, or hollow sound.
    • n thud Synonyms See thump.
    • ***
Chambers's Twentieth Century Dictionary
    • n Thud thud a dull, hollow sound, caused by a blow or a heavy body falling: a loud noise, concussion, or blast
    • v.i Thud to make a thudding sound:
    • v.t Thud (Scot.) to beat, strike
    • v.i Thud (Scot.) to move quickly
    • ***


Webster's Revised Unabridged Dictionary
Cf. AS. þōden, a whirlwind, violent wind, or E. thump,


In literature:

Surely Greenglove could hear its thudding.
"Shaman" by Robert Shea
Down he went with a thud.
"Valley of Wild Horses" by Zane Grey
Next moment he fell with a heavy thud.
"Partners of the Out-Trail" by Harold Bindloss
She watched him cross the lawn towards the stables, and then waited until a rapid thud of hoofs broke the silence of the woods.
"Thurston of Orchard Valley" by Harold Bindloss
The thud of his body followed the thud of the old man's body to the floor.
"The Mind Master" by Arthur J. Burks
A sound of tramping feet came from the outside and then a thud as though a body had been dropped.
"Astounding Stories of Super-Science, March 1930" by Various
Every line was alive with action, every phrase seemed to thud with the actual shock of contest.
"Once to Every Man" by Larry Evans
He, however, heard the thud of the heavy bullet, and a moment or two later, a floundering amidst the grass.
"The Greater Power" by Harold Bindloss
At once the quiet of the Arizona night was shattered by the thud of blows and savage outcries.
"When the West Was Young" by Frederick R. Bechdolt
Tode turned his thumbscrews, and the two thuds resounded.
"Astounding Stories of Super-Science, May, 1930" by Various
They thudded against the heads of the great monsters like hailstones.
"Astounding Stories of Super-Science, October, 1930" by Various
The dull thud of the explosion quickly came back to them.
"Two Thousand Miles Below" by Charles Willard Diffin
For all his height and massive strength, the giant toppled over, thudding heavily against the floor.
"Slaves of Mercury" by Nat Schachner
The fly landed with a thud on the center table.
"Astounding Stories, March, 1931" by Various
We entered, and the door closed behind us with a soft thud.
"Astounding Stories of Super-Science January 1931" by Various
They saw the outer door swing shut, and heard its locks thud over.
"The Passing of Ku Sui" by Anthony Gilmore
There was a brief silence in the study for a moment or two after the thud of the closing front door came to their ears.
"The Monk of Hambleton" by Armstrong Livingston
The wolf threw himself in the air and fell with a thud upon the ground.
"The Frontier Boys in the Grand Canyon" by Wyn Roosevelt
From the road behind them came the clicking thud of a horse's hoofs, and a moment later the voice of Asshlin hailed them out of the dusk.
"The Gambler" by Katherine Cecil Thurston
So quickly had he acted that his knuckles thudded home on an unseen jaw before its owner was able to shout an alarm.
"The Return of Tharn" by Howard Carleton Browne

In poetry:

Loud blaw the wild an' wintry win's,
Wi' eerie howl an' angry thud,
Wi' blatterin' rain, an' rattlin' hail,
Loud roarin' thro' the naked wud.
"Winter" by Janet Hamilton
Saft, the southlan breeze was blawing,
Sweetly sugh'd the green ake wood!
Loud the din o' streams fast fa'ing,
Strak the ear wi' thunderin thud!
"The Waes O' War : Or The Upshot Of The History O' Will And Jean. In Four Parts" by Hector MacNeill
Ae fearfu' night -- (oh! night of fate!)
Loud beat the storm wi' thund'ring thud,
The waters raise, and in a spate
Updash'd in foam the neighb'ring flood;
"The Pastoral, Or Lyric Muse Of Scotland. Canto Third. Dornock Ha'. A Ballad" by Hector MacNeill
But death replied: 'I choose him.' So he went,
And there was silence in the summer night;
Silence and safety; and the veils of sleep.
Then, far away, the thudding of the guns.
"The Death-Bed" by Siegfried Sassoon
Flame burns, rain sinks into the cracks
And they all go to rack ruin beneath the thud of the years.
Stands genius a deathless adornment,
a name not to be worn out with the years.
"Homage To Sextus Propertius - I" by Ezra Pound
And this 'ere's the real hcadsman's block, Sir,
From this many 'eads fell with a thud -
Ee! To keep these 'ere stains fresh all these three hundred years
We've used buckets and buckets of blood.
"The Beefeater" by Weston and Lee

In news:

Boozer's season again ends with a thud .
Mariners Win Streak ends with a Thud 7-0.
Mariners Open at Home with a Thud Losing 4-0.
Obama's Call for Aviation User Fee Lands with a Thud .
Panel's Interim Jobs Advice Lands With Thud .
'Thor' lands with a thud .
Former Utah Jazz's Andrei Kirilenko era ends with thud .
Baylor's season ends in thud at Texas Bowl, 38-14.
Customized Coachella, decoding "hiatus," Thievery's thud .
Mariners start-off with a bang, end with a thud .
A Housing Market Built on Mud Takes Off, and Then Goes Thud .
Wizards' Trip West Ends With a Thud .
Giants' Winning Streaks Thud to a Halt.
Blackhawks' circus trip starts with thud .
Earnings Season Opens With a Thud .