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Related to piled: piled up

pile 1

1. A quantity of objects stacked or thrown together in a heap. See Synonyms at heap.
2. Informal
a. A large accumulation or quantity: a pile of work to do.
b. A large amount of money: made a pile in the real estate boom.
3. A nuclear reactor.
4. A voltaic pile.
5. A very large building or complex of buildings.
6. A funeral pyre.
v. piled, pil·ing, piles
a. To place or lay in a pile or heap: piled books onto the table.
b. To load (something) with a heap or pile: piled the table with books.
2. To add or increase to abundance or to a point of burdensomeness: piled homework on the students.
1. To form a heap or pile.
2. To move in, out, or forward in a disorderly mass or group: pile into a bus; pile out of a car.
Phrasal Verbs:
pile on
1. To leap onto an existing pile of people, especially football players.
2. To add or increase (something, such as criticism) abundantly or excessively.
pile up
1. To accumulate: Work is piling up.
2. Informal To undergo a serious vehicular collision.

[Middle English, from Old French, from Latin pīla, pillar.]

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pile 2

1. A heavy post of timber, concrete, or steel, driven into the earth as a foundation or support for a structure.
2. Heraldry A wedge-shaped charge pointing downward.
3. A Roman javelin.
tr.v. piled, pil·ing, piles
1. To drive piles into.
2. To support with piles.

[Middle English, from Old English pīl, shaft, stake, from Latin pīlum, spear, pestle.]

pile 3

a. Cut or uncut loops of yarn forming the surface of certain fabrics, such as velvet, plush, and carpeting.
b. The surface so formed.
2. Soft fine hair, fur, or wool.

[From Middle English piles(attested only in plural) downy hair, downy plumage, partly from Anglo-Norman peil, pil, hair, coat (as of a horse), cloth with a thick nap, and partly from Latin pilus, hair (Anglo-Norman, from Latin).]

piled adj.
References in classic literature ?
On christmas night, a dozen girls piled onto the bed which was the dress circle, and sat before the blue and yellow chintz curtains in a most flattering state of expectancy.
And in the gleams, constantly growing brighter as more fuel was piled on, the young inventor and his chum saw a weird sight.
I piled straw and buffalo robes into the box, and took two hot bricks wrapped in old blankets.
From his trousers pockets he took a fistful of crumpled bank notes and a good deal of silver coin, which he piled on the bureau indiscriminately with keys, knife, handkerchief, and whatever else happened to be in his pockets.
Behind them, the curvature of the banks soon bounded the view by the same dark and wooded outline; but in front, and apparently at no great distance, the water seemed piled against the heavens, whence it tumbled into caverns, out of which issued those sullen sounds that had loaded the evening atmosphere.
In the solitude of night, with the hum of the great city rising below her-- at times even in theatres or crowded assemblies of men and women-- she forgot herself, and again stood in the weird brilliancy of that moonlight night in mute worship at the foot of that slowly-rising mystic altar of piled terraces, hanging forests, and lifted plateaus that climbed forever to the lonely skies.
For it is our belief, whatever show of honor he may have piled upon it, that there was heavy sin at the base of this man's being.
At one end of the room, in a recess, were a number of barrels piled one upon another, containing bundles of official documents.