What Does “Cast sb aside” Mean?
“Cast sb aside” means to reject or ignore someone, often suddenly or without care. It implies treating a person as unimportant or no longer needed.
Introduction
The phrase “cast sb aside” is a common English phrasal verb used to describe the action of rejecting or abandoning someone. When you cast someone aside, you stop paying attention to them or stop caring about their feelings. This phrase often suggests a harsh or uncaring attitude. Understanding the cast sb aside meaning helps learners express situations where someone is dismissed or ignored, whether in friendships, relationships, or work. It is useful in both spoken and written English to describe emotional or social rejection clearly and powerfully.
Quick Info Box
- Phrasal verb: cast sb aside (cast somebody aside)
- Type: transitive
- Level: B2 (Upper-Intermediate)
- Short meaning: to reject or ignore someone
Structure (Grammar Rules)
“Cast sb aside” is a transitive and inseparable phrasal verb. This means you cannot separate the verb and the particle with the object.
- Correct: cast someone aside
- Incorrect: cast aside someone
Pattern:
- Subject + cast + object (someone) + aside
How to Use “Cast sb aside”?
You use “cast sb aside” when talking about rejecting or abandoning a person emotionally or socially. It can be used in formal or informal contexts but often carries a negative or serious tone. The object is usually a person or group, not a thing.
Example contexts:
- Ending a friendship or relationship abruptly
- Ignoring someone’s advice or feelings
- Rejecting someone from a group or team
Examples
- After the disagreement, he cast her aside without any explanation.
- The company cast aside its long-term employees during the restructuring.
- She felt cast aside when her friends stopped inviting her to events.
- Don’t cast aside your dreams just because of a few setbacks.
- Cast sb aside in a sentence: They cast him aside like he never mattered.
Common Mistakes
- Incorrect: She cast aside him after the argument.
Correct: She cast him aside after the argument. - Incorrect: They cast aside their friends.
Correct: They cast their friends aside.
Differences / Synonyms
Similar phrasal verbs include throw sb away, brush sb off, and shun sb. However, “cast sb aside” often sounds more formal or serious.
- Throw sb away: more physical or literal, like discarding an object.
- Brush sb off: more informal, meaning to ignore or reject politely.
- Shun sb: to avoid someone deliberately, often socially.
“Cast sb aside” emphasizes rejection and abandonment, often with an emotional or social impact.
Common Collocations
- Cast a friend aside
- Cast a lover aside
- Cast an employee aside
- Cast advice aside
- Cast feelings aside
Related Phrasal Verbs
Here are related phrasal verbs of cast sb aside:
Real-life Dialogue
Anna: I can’t believe he just cast me aside after all we went through.
Ben: That’s really harsh. Did he say why?
Anna: No, he just stopped calling and ignored my messages.
Ben: Sometimes people cast others aside without thinking about the pain they cause.
Practice
Choose the correct sentence:
- a) She cast aside him after the meeting.
- b) She cast him aside after the meeting.
- c) She cast him aside after the meeting aside.
Answer: b) She cast him aside after the meeting.
FAQs
- Q: Can “cast sb aside” be used in positive situations?
A: No, it usually has a negative meaning related to rejection. - Q: Is “cast sb aside” formal or informal?
A: It can be used in both but is slightly more formal or serious. - Q: Can the object be a thing instead of a person?
A: Usually, it refers to people, but sometimes it can refer to ideas or feelings. - Q: What is the difference between “cast aside” and “throw away”?
A: “Throw away” is more literal and physical; “cast aside” is often emotional or social. - Q: Is “cast sb aside” separable?
A: No, the object stays between “cast” and “aside.”

