Achilles' Heel: Meaning, Examples, Usage, Origin, and Quiz
A person's greatest weakness or vulnerable point.
Quick Meaning of “Achilles' Heel”
Achilles' heel means a person’s greatest weakness, hidden vulnerability, or weak point.
Example: Lack of patience is his Achilles' heel.
What Does “Achilles' Heel” Mean?
The idiom “Achilles' heel” refers to a person’s greatest weakness, vulnerable point, or hidden flaw. It is often used when someone is strong or successful in many areas but has one weakness that can create problems.
In simple terms, if one particular weakness can damage someone’s success, confidence, performance, or reputation, that weakness can be called their Achilles' heel.
Meaning in Real Usage
In real English usage, “Achilles' heel” is often used in discussions about personality, leadership, sports, business, politics, exams, strategy, relationships, and personal development.
Examples of “Achilles' Heel” in Sentences
Math is her Achilles' heel.
His lack of confidence became his Achilles' heel during the interview.
The company had strong products, but poor customer service remained its Achilles' heel.
Is This Idiom Formal or Informal?
“Achilles' heel” is a neutral and advanced idiom. It can be used in everyday conversation, essays, professional writing, analysis, speeches, business English, and academic-style discussion.
Real-Life Scenario
A talented manager is excellent at planning, communication, and decision-making. However, he becomes impatient when people make mistakes. His impatience becomes his Achilles' heel because it affects team morale.
How to Use This Idiom Naturally
Use “Achilles' heel” when describing a weakness that can seriously affect a person, team, organization, plan, or system.
It works especially well when someone or something is strong overall but has one important vulnerable point.
Why Not Just Say “Weakness”?
Saying “Achilles' heel” is more expressive than simply saying “weakness.” It suggests a specific vulnerable point that may create serious consequences despite other strengths.
Common Mistake with “Achilles' Heel”
Do not use “Achilles' heel” for every small weakness. It usually refers to an important vulnerability that can seriously affect success, performance, or stability.
Similar Idioms to “Achilles' Heel”
These related idioms and expressions describe weakness, vulnerability, limitation, or a point where someone or something can fail.
Opposite Expressions
Opposite ideas include: “strong suit”, “area of strength”, and “competitive advantage”, which describe a strength rather than a weakness.
Origin of the Idiom “Achilles' Heel”
Did you know?
The idiom “Achilles' heel” comes from Greek mythology. Achilles was a powerful warrior who was almost invulnerable, but his heel was his one weak point.
Over time, the expression became a common English idiom for a person’s greatest weakness or vulnerable point, especially when that weakness can cause serious trouble despite other strengths.
Frequently Asked Questions About “Achilles' Heel”
What does “Achilles' heel” mean?
It means a person’s greatest weakness or vulnerable point.
Is “Achilles' heel” positive or negative?
It is usually negative because it describes a weakness or vulnerability.
Can I use “Achilles' heel” for a company or system?
Yes. It can describe the weak point of a person, team, company, plan, strategy, or system.
Quick Practice: Test Your Understanding of “Achilles' Heel”
Test your understanding of the idiom “Achilles' heel” with these quick questions. These practice questions will help reinforce the meaning, usage, context, and common mistakes of this English idiom.
Question 1 - Meaning: What does “Achilles' heel” mean?
Question 2 - Sentence Usage: Which sentence uses this idiom correctly?
Question 3 - Context: What idea does this idiom mainly express?
Question 4 - Similar Expression: Which expression is most closely related?
Question 5 - Common Mistake: What should you remember about this idiom?
Key Takeaways
- “Achilles' heel” means a person’s greatest weakness or vulnerable point.
- It can describe people, teams, companies, plans, strategies, and systems.
- It comes from Greek mythology and the story of Achilles.
- It usually refers to an important weakness, not every small problem.
Final Learning Note
“Achilles' heel” is an advanced English idiom for describing a serious weakness or vulnerable point. Learn it when you want to discuss personality, strategy, leadership, business, performance, or personal development with stronger expression.