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C1 — Advanced

Expressions for advanced English learners

slang C1

dopamine dressing

Learn what 'dopamine dressing' means, how to use this mood-boosting fashion slang term in your daily conversations, and see natural English examples.
entertainment C1

double bill

Learn about 'double bill', an entertainment term for two movies, plays, or shows presented together for the price of one.
business C1

double-entry bookkeeping

Understand double-entry bookkeeping, the fundamental accounting system where every transaction has a debit and credit, explained for C1 business English.
academic C1

double-edged sword

Discover how to use 'double-edged sword' to describe situations, tools, or strategies with both positive and negative consequences.
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travel C1

duty-free limitations

Understand duty-free limitations on international travel. Learn how customs limits tax-free goods like alcohol and tobacco.
technology C1

early adopter

Learn what 'early adopter' means, how to use it in technology contexts, and see natural example sentences.
business C1

economies of scale

Learn how economies of scale help businesses reduce unit costs by increasing production. Essential C1 business English terminology.
business C1

elasticity of demand

Discover what elasticity of demand means and how businesses use it to set prices. Master this C1 economics and business concept.
food-cooking C1

emulsify the sauce

Master the formal culinary term 'emulsify the sauce' to describe the process of blending oil and water-based liquids into a smooth mixture.
food-cooking C1

epicurean tastes

Learn the formal C1 phrase "epicurean tastes" to describe someone who appreciates high-quality, luxurious food and drink.
entertainment C1

escapist entertainment

Learn the meaning of 'escapist entertainment' and how to describe movies, books, or games designed to help people forget real-world worries and anxiety.
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business C1

exacerbate the problem

Learn how to use 'exacerbate the problem' in professional contexts to describe actions that make an already bad situation worse. Perfect for business emails and reports.
business C1

exacerbate the situation

Master the C1 business expression 'exacerbate the situation'. Learn how to formally describe making a bad situation worse with natural examples and clear explanations.
travel C1

executive lounge

Discover what an executive lounge is, who can access it, and how to use this formal travel term in business and luxury travel contexts.
relationships C1

exercise extreme caution

Learn the formal expression 'exercise extreme caution' to describe acting with immense care and alertness in sensitive relationship dynamics.
relationships C1

exhibit a childish outburst

Understand 'exhibit a childish outburst', a formal way to describe an immature emotional reaction. Master its usage with our guide.
business C1

expedite delivery

Learn how to use 'expedite delivery' to formally request or arrange for faster shipping and distribution of goods in business transactions.
business C1

expedite the process

Discover how to use 'expedite the process' to professionally request or describe speeding up workflows, approvals, or projects in business settings.
relationships C1

expose private grievances

Learn the formal expression 'expose private grievances,' meaning to make personal complaints or conflicts public, and how to use it correctly in relationships.
food-cooking C1

exquisite flavor profile

Discover the meaning of 'exquisite flavor profile,' a formal culinary term used by chefs and critics to describe a remarkably complex and delicious combination of tastes.