What Does “Rely on sth” Mean?
“Rely on sth” means to depend on something or trust that it will happen or work correctly.
Introduction
The phrasal verb “rely on sth” is commonly used in English to express dependence or trust in a thing, person, or situation. When you say you rely on something, you believe it is reliable and can support you or your needs. Understanding the “rely on sth meaning” helps you communicate clearly when discussing trust, support, or certainty. This phrase is useful in both formal and informal contexts, from everyday conversations to professional settings. Knowing how to use “rely on sth” properly will improve your language skills and help you sound more natural in English.
Quick Info Box
- Phrasal verb: rely on sth (rely on something)
- Type: Inseparable
- Level: B1 (Intermediate)
- Short meaning: To depend on or trust something
Structure (Grammar Rules)
“Rely on sth” is an inseparable phrasal verb. This means you cannot place the object between “rely” and “on.” You must keep the verb and preposition together.
Correct pattern: rely + on + something
Incorrect pattern: rely + something + on
Examples
- I rely on my phone to keep track of my schedule.
- She relies on her team to finish the project on time.
- Can we rely on the weather forecast for tomorrow?
- Many people rely on public transport to get to work.
- He always relies on his experience when making decisions.
Common Mistakes
- Incorrect: I rely my friends on for help.
Correct: I rely on my friends for help. - Incorrect: She relies the computer on to finish her work.
Correct: She relies on the computer to finish her work.
Differences / Synonyms
Similar phrases include “count on,” “depend on,” and “trust.”
- Count on: Informal and often used for people or situations you are sure about.
- Depend on: Very close in meaning to “rely on,” but sometimes implies more necessity or requirement.
- Trust: Focuses more on confidence in someone’s honesty or ability.
Example comparison:
- I rely on my car to get to work. (I depend on it to function well.)
- You can count on me to help you. (I promise to help.)
- I trust her advice. (I believe her advice is good.)
Common Collocations
- rely on technology
- rely on someone
- rely on data
- rely on support
- rely on experience
- rely on information
Related Phrasal Verbs
Here are related phrasal verbs of rely on sth:
Real-life Dialogue
Anna: Do you think we can rely on the new software for the presentation?
Ben: Yes, I’ve tested it, and it works well. We can definitely rely on it.
Anna: Great! I was worried it might crash during the meeting.
Practice
Fill in the blanks with the correct form of “rely on”:
- We always _______ our GPS when traveling to new places.
- Can I _______ you to help me with this task?
- Many people _______ electricity for their daily needs.
FAQs
- Q: Is “rely on” formal or informal?
A: It is neutral and can be used in both formal and informal situations.
- Q: Can “rely on” be used with people and things?
A: Yes, you can rely on both people and objects.
- Q: What is the difference between “rely on” and “depend on”?
A: They are very similar, but “depend on” can imply necessity, while “rely on” focuses on trust.
- Q: Can “rely on” be separated by the object?
A: No, “rely on” is inseparable; the object always comes after “on.”
- Q: Is “rely on sth” only used in present tense?
A: No, it can be used in all tenses, e.g., “relied on,” “will rely on.”

