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Prepositions after verbs

"Intrude on" or "intrude into"?

Use intrude on for interrupting privacy, time, or activities. Use intrude into mainly for entering a space or area in an unwanted way.

Quick answer

What is the difference between intrude on and intrude into?

Intrude on usually means interrupting or interfering with someone or something. Intrude into focuses more on unwanted entry into a place, area, or field.

I don't want to intrude on your conversation.
Reporters intruded into the private area.
The noise intruded on our meeting.

Choose the pattern by meaning

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

1
intrude on + activity or privacy

Interrupting or interfering

Use on when something disturbs a person, activity, or private matter.

Sorry to intrude on your dinner.
The calls intruded on his work time.
2
intrude into + place

Entering a space without permission

Use into for unwanted entry into a physical or abstract space.

Someone intruded into the office after hours.
The debate intruded into personal matters.
3
intrude upon + noun

Formal alternative to intrude on

Upon is a more formal version of on.

I hope I'm not intruding upon your plans.
The article intruded upon sensitive issues.

See the difference in context

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

Construction
Example
Meaning
intrude on
He intruded on their private discussion.
Interrupting or interfering with people or activities.
intrude into
The animal intruded into the garden.
Entering a place or area without welcome.
intrude upon
She apologized for intruding upon their evening.
Formal equivalent of intrude on.
intrude in
He intruded in the meeting.
Nonstandard in this meaning; use intrude on.

Common mistakes

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

Using in instead of on

Use on for interruption or interference.

✕ She intruded in our conversation. ✓ She intruded on our conversation.

Using on for physical entry

Into is clearer for unwanted movement into a space.

✕ The crowd intruded on the restricted area. ✓ The crowd intruded into the restricted area.

Forgetting the object after intrude on

The verb usually needs a target when followed by on.

✕ Sorry to intrude on. ✓ Sorry to intrude on your meeting.

Quick practice

Choose the expression that matches the intended meaning.

1. I didn't mean to intrude ___ your plans.
2. Someone intruded ___ the laboratory at night.
3. The article intruded ___ personal matters.

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Frequently asked questions

Is intrude on more common than intrude into?

Yes. Intrude on is the usual choice for interruptions and privacy issues.

Can intrude into be used figuratively?

Yes. It can describe entering areas such as politics, privacy, or personal matters.

What is the difference between intrude on and interrupt?

Intrude on often suggests unwanted interference, while interrupt simply means stopping something temporarily.

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