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Prepositions after verbs

Waste on vs waste in

Waste on is the standard pattern when talking about spending time, money, or effort unnecessarily. Waste in is not normally used directly after waste with this meaning.

Quick answer

Which preposition follows waste?

Use waste on when saying what time, money, or effort is spent unnecessarily on. Waste in is generally not idiomatic after the verb waste, although in may appear separately as a place or situation adjunct.

Don't waste money on expensive gadgets.
She wasted hours on pointless arguments.
They wasted time on the wrong task.

Choose the pattern by meaning

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

1
waste + money/time/energy on + thing

Saying what resources are wasted

Waste on introduces the thing receiving unnecessary spending or effort.

He wasted energy on minor problems.
2
waste + resource + on + activity

Wasting effort on an activity

An -ing form often follows on.

We wasted time on waiting.
3
waste away in + place

Using in as a place adjunct

Here in does not belong to waste itself. It gives location information.

The prisoners wasted away in terrible conditions.
4
waste + opportunity

Using waste without a preposition

Some direct objects follow waste without any preposition.

She didn't waste the opportunity.

See the difference in context

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

Construction
Example
Meaning
waste on
They wasted money on fake products.
standard pattern for unnecessary spending or effort
waste in
He wasted away in prison.
in functions as a place adjunct, not as the selected preposition
waste time doing
She wasted time scrolling online.
alternative structure without on
waste away
The plants wasted away without sunlight.
become weak or gradually disappear

Common mistakes

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

Using waste in for unnecessary spending

Waste in is not the normal structure for this meaning.

✕ He wasted money in useless apps. ✓ He wasted money on useless apps.

Adding on before a direct object unnecessarily

Some nouns follow waste directly.

✕ Don't waste on this chance. ✓ Don't waste this chance.

Confusing waste away with waste on

Waste away means become weaker over time.

✕ She wasted away her salary. ✓ She wasted her salary on clothes.

Using incorrect infinitive structure

Waste is commonly followed by an -ing form for activities.

✕ They wasted time to argue. ✓ They wasted time arguing.

Quick practice

Choose the expression that matches the intended meaning.

1. He wasted a lot of money ___ online games.
2. The patient wasted away ___ hospital.
3. We wasted hours ___ for the bus.

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Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

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Frequently asked questions

Is waste in ever correct?

It can appear when in introduces place or situation information, not as the main complement of waste.

Can I say waste money for something?

Waste money on something is the standard expression.

Do I always need on after waste?

No. Some objects follow directly, such as waste an opportunity or waste food.

wade, through, wade, into wait for, in, on, at or till? wake up, from, in, at or by? walk into, in, to, through or on? wander through, around, into, in or from? "want for", "want from" or "want in"? "warn of" or "warn against"? "wash with", "wash in" or "wash over"? watch for, in, on, from or with? "wave at" or "wave to"? "weaken by", "weaken to" or "weaken of"? "wear by", "wear in" or "wear on"?

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