What Does โSwear sb to sthโ Mean?
โSwear sb to sthโ means to make someone promise to keep a secret or to follow certain rules strictly.
Introduction
The phrase โSwear sb to sthโ is a common phrasal verb in English. It involves making someone promise to keep information secret or to act in a specific way. Understanding the Swear sb to sth meaning helps learners use it correctly in conversations and writing. This phrase is often used in formal or serious contexts, such as when asking someone to keep a secret or to commit to a rule or agreement. It adds a sense of trust and seriousness to the promise being made.
Quick Info Box
- Phrasal verb: Swear sb to sth (swear somebody to something)
- Type: Transitive
- Level: B2
- Short meaning: To make someone promise to keep a secret or follow rules
Structure (Grammar Rules)
โSwear sb to sthโ is a transitive phrasal verb and is inseparable. You cannot separate โswearโ and โtoโ with the object.
Pattern: swear + somebody + to + something
Example: She swore me to secrecy.
How to Use Swear sb to sth?
Use โSwear sb to sthโ when you want someone to promise to keep something confidential or to obey certain conditions. It often appears in contexts involving secrets, loyalty, or rules. The person being sworn usually makes a formal or serious promise.
Examples
Imagine you have an important secret and you want your friend to keep it safe. You might say, โI swear you to silence about this matter.โ
- The boss swore the employees to confidentiality before sharing the new project details.
- She swore her brother to secrecy about the surprise party.
- The detective swore the witness to tell the truth.
- He was sworn to obey the rules of the club.
- They swore the new member to loyalty.
These examples show how โSwear sb to sth in a sentenceโ is used to emphasize a serious promise or commitment.
Common Mistakes
Many learners confuse the structure or misuse the verb with incorrect prepositions or word order.
- Incorrect: She swore to me the secret.
- Correct: She swore me to secrecy.
- Incorrect: I swore to him to keep quiet.
- Correct: I swore him to keep quiet.
Remember, the object (somebody) comes directly after โswearโ and before โto.โ
Differences / Synonyms
Similar phrases include โswear to keep,โ โmake someone promise,โ and โbind someone to.โ However, โswear sb to sthโ specifically implies a formal or serious promise, often involving secrecy or rules.
For example, โswear to keep a secretโ is close but less direct than โswear sb to secrecy.โ
Common Collocations
When using โSwear sb to sth,โ certain nouns often follow the preposition โto.โ
- Secrecy: Keeping information confidential
- Silence: Not revealing information
- Confidentiality: Protecting private details
- Loyalty: Promise to support or be faithful
- Obedience: Commitment to follow rules
Related Phrasal Verbs
Here are related phrasal verbs of swear sb to sth:
Real-life Dialogue
Here is a short conversation using โSwear sb to sthโ:
Anna: Can I tell you a secret?
Ben: Sure, but you have to swear me to silence.
Anna: I swear. You wonโt tell anyone.
Ben: Okay, I promise to keep it safe.
Practice
Fill in the blanks with the correct form of the phrasal verb:
- The manager _______ the staff _______ confidentiality before the meeting.
- She _______ her friend _______ silence about the surprise.
- They _______ the new members _______ loyalty to the club rules.
FAQ
- What does โSwear sb to sthโ mean? It means to make someone promise to keep a secret or follow rules.
- Is โSwear sb to sthโ separable? No, it is inseparable. The object goes between โswearโ and โto.โ
- Can I use โSwear sb to secrecyโ in everyday conversations? Yes, especially when emphasizing trust or confidentiality.
- What level of English is this phrase? It is suitable for intermediate to advanced learners (B2 level).
- Are there similar phrases to โSwear sb to sthโ? Yes, phrases like โmake someone promiseโ or โbind someone toโ have similar meanings.

