Prepositions after verbs

Stir in, with, by, for or into?

Stir commonly combines with in, into, and with in cooking and mixing contexts. By and for are usually separate adjuncts rather than fixed combinations.

Quick answer

Which prepositions are used with stir?

Use stir in for adding an ingredient and stir into for moving something into a mixture. Stir with names a tool or ingredient used for stirring. By and for are usually not fixed combinations with stir.

Stir in the sugar slowly.
Stir the sauce with a wooden spoon.
Stir the cream into the soup.

Choose the pattern by meaning

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

1
stir in + ingredient

Adding something to a mixture

Use stir in when an ingredient is added while mixing.

Stir in the chopped herbs.
Stir in the milk gradually.
2
stir into + mixture

Moving something into another substance

Use stir into when focusing on the destination mixture.

Stir the butter into the rice.
Stir the powder into warm water.
3
stir with + tool

Naming the instrument or ingredient used

With introduces the spoon, stick, or substance involved in stirring.

Stir with a fork.
Stir the tea with a cinnamon stick.
4
stir by + method or movement

Adding separate information about manner

By can describe how movement happens, but it is not a standard fixed combination after stir.

The leaves moved by the wind as he stirred the water.

See the difference in context

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

Construction
Example
Meaning
stir in
Stir in the cheese at the end.
Correct for adding an ingredient.
stir into
Stir the garlic into the sauce.
Correct when focusing on what receives the ingredient.
stir with
Stir with a metal spoon.
Correct for tools or accompanying substances.
stir by
The soup was stirred by hand.
By introduces method or agent, not a fixed verb-preposition pattern.
stir for
Stir for two minutes.
For introduces duration, not a selected preposition.

Common mistakes

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

Confusing in and into

Use stir in when naming the added ingredient and stir into when naming the destination mixture.

✕ Stir into the sugar. ✓ Stir in the sugar.

Using for as a fixed combination

For usually gives duration or purpose.

✕ Stir for the sauce the cream. ✓ Stir the cream into the sauce.

Quick practice

Choose the expression that matches the intended meaning.

1. ___ the eggs before serving.
2. Stir the flour ___ the mixture.
3. She stirred the soup ___ a wooden spoon.

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Frequently asked questions

What is the difference between stir in and stir into?

Stir in focuses on the added ingredient, while stir into focuses on the mixture receiving it.

Can I say stir with?

Yes. It is common for tools or accompanying ingredients, such as stir with a spoon.

Is stir by standard English?

Only when by has another role, such as by hand or by the window. It is not a regular verb-preposition combination.

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