How to use "run into"

What Does "run into" Mean?

The phrasal verb "run into" has several meanings, including:

  1. To meet someone unexpectedly: This is the most common meaning. It implies a chance encounter.
  2. To collide with something: This refers to a physical impact.
  3. To experience difficulties or problems: This usage is more abstract and refers to encountering obstacles.
  4. To reach a certain amount: This means that something totals a particular figure.

The meaning is semi-idiomatic. While "run" and "into" have their own literal meanings, the combination creates new, distinct meanings that are not simply the sum of their parts.

The register is generally neutral, suitable for both formal and informal contexts, although some usages might be more common in specific settings.

How to Use It

The grammatical pattern for "run into" varies depending on the intended meaning:

  • Meeting someone unexpectedly: run into + noun/pronoun (person). Example: "I ran into my old friend."
  • Colliding with something: run into + noun (object). Example: "I don't run into things."
  • Experiencing difficulties: run into + noun (problem/difficulty/resistance). Example: "They had run into an ambush."
  • Reaching a certain amount: run into + number/currency. Example: "That could run into billions of euros."

The components of "run into" cannot be separated. It's a phrasal verb that functions as a single unit. Saying "run John into" instead of "run into John" is unnatural.

It sounds unnatural to use the wrong preposition (e.g., "run at" instead of "run into" when meaning to encounter a problem) or to use an object that doesn't fit the context (e.g., "run into happiness" is unusual; "run into problems" is more common).

Real-World Examples

"I don't run into things." — The New York Times

"Other government efforts have run into delays." — The New York Times

"They had run into an ambush." — The New York Times

"That could run into billions of euros." — The Economist

"ME: You run into the coolest people." — The New Yorker

Examples sourced from https://ludwig.guru/s/run+into

Similar Phrases and Alternatives

Phrase Context
bump into Informal alternative for meeting someone unexpectedly.
encounter More formal alternative for meeting someone or experiencing something.
meet unexpectedly More descriptive and neutral.
come across Similar to "run into," but can also mean to find something.
face Used when referring to confronting a problem or difficulty.
total Use to replace the meaning of reaching a certain amount.
meet with To formally encounter something.

Common Mistakes

  • Using the wrong preposition: Saying "run at a problem" instead of "run into a problem" when referring to encountering difficulties.
  • Incorrect separation: Splitting the phrasal verb (e.g., "run the person into" instead of "run into the person").
  • A common mistake is confusing "run into" with "run over," which means to hit something with a vehicle.

Quick-Reference Summary

Expression Meaning Grammatical Pattern Register
run into Meet unexpectedly, collide with, experience difficulties, reach a certain amount run into + noun/pronoun Neutral

FAQs

Can the parts of "run into" be separated?

No, the parts of "run into" cannot be separated. It's a phrasal verb that must stay together to maintain its meaning. For example, you would say "I ran into John," not "I ran John into."


What's the difference between "run into" and "come across"?

Both "run into" and "come across" can mean to meet someone or find something unexpectedly. However, "come across" often implies finding something more passively, while "run into" can suggest a more active or coincidental encounter.


How can I avoid confusing "run into" with "run over"?

Remember that "run into" means to meet someone unexpectedly or encounter a problem, while "run over" means to hit something with a vehicle. Pay attention to the context to understand the intended meaning and avoid this common mistake.

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