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Prepositions after dump

dump in, on, into, by or of?

Dump often combines with into or on when something is thrown carelessly somewhere.

Quick answer

Which preposition is used with dump?

Use dump into for putting something inside a container or place and dump on for unloading onto a surface or person. Dump in is also possible in some contexts. Dump by and dump of are usually not standard combinations.

They dumped into the truck all the broken bricks.
He dumped on me at the last minute.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
dump into + container/place

Putting something inside quickly

Dump into suggests careless or quick movement into an enclosed space.

She dumped into the sink a pile of dirty dishes.
2
dump on + surface/person

Putting pressure or material onto something

Dump on can be literal or figurative.

The snowplough dumped snow on the roadside.
He dumped the extra work on his assistant.
3
dump in + place

Placing something carelessly somewhere

Dump in is possible when the place is viewed generally rather than as a container.

They dumped the bags in the hallway.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
dump in
She dumped the boxes in the garage.
place something carelessly somewhere
dump on
They dumped all the blame on him.
put pressure, blame, or material onto someone or something
dump into
Workers dumped sand into the pit.
move something inside a place or container
dump by
People do not normally say dump by someone.
generally nonstandard as a direct verb-preposition combination
dump of
The city dump of old tyres was removed.
of is not selected by dump as a verb here

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using dump by as a fixed combination

Dump by is not a standard verb-preposition pattern in current English.

✕ They dumped by the river. ✓ They dumped waste by the river.

Confusing dump on and dump into

Use into for enclosed spaces and on for surfaces or people.

✕ She dumped the clothes on the suitcase. ✓ She dumped the clothes into the suitcase.

Quick practice

Choose the expression that matches the intended meaning.

1. Workers dumped the soil ___ the pit.
2. He dumped all the responsibility ___ me.
3. They dumped the boxes ___ the hallway.

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Frequently asked questions

Is dump into more common than dump in?

Dump into is more specific about movement inside a container or enclosed place.

Can dump on be figurative?

Yes. It often means unfairly giving work, blame, or problems to someone.

Why is dump by unusual?

By usually acts as a location phrase, not as a selected preposition after dump.

dabble, in, dabble, with "damage to" or "damage by"? dance to, with, on, in or for? "dangle from" or "dangle in"? dare to, for, on, as or at? dash to, into, out, from or on? daydream about, for, in, of or on? "debate in", "debate on" or "debate with"? deceive by, in, into, on or about? "decide on", "decide to" or "decide by"? declare in, by, on, to or as? decline in, by, from, to or for?

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