English Vocabulary Masterlist: A1 to C1

A relevant collection of vocabulary, idioms, and specialized terms ranging from beginner (A1) to advanced (C1) levels based on the lecture transcript.

To feel blue

To feel sad or depressed (e.g., 'She’s been feeling blue lately').

To be in the red

To have a negative bank balance or owe money.

Once in a blue moon

Something that happens very rarely or occasionally.

A white lie

A small, harmless lie told to avoid hurting someone's feelings.

To catch someone red-handed

To discover someone in the act of doing something wrong or illegal.

Silver lining

The positive side of a negative situation (from the proverb 'Every cloud has a silver lining').

A golden opportunity

An excellent and rare chance to do something or succeed.

To see red

To become very angry suddenly.

Fiancé / Fiancée

A person engaged to be married (masculine and feminine forms).

Colleague

A person with whom one works in a profession or business.

Stomach ache

Pain occurring in the stomach area (e.g., 'She stayed home with a stomachache').

Dizziness

A sensation of spinning or losing one's balance; feeling faint.

Rash

An area of reddening or industrial skin irritation (sarpullido).

Hoodie

A sweatshirt with a hood.

To try on

To put on a garment to see if it fits or looks good before buying.

To fit

To be the right size or shape for someone (e.g., 'These shoes don't fit me').

To suit

To look good on someone or be appropriate for them (e.g., 'That color really suits you').

Check-out

The act of leaving a hotel after paying the bill.

Boarding gate

The area in an airport where passengers gather to board their flight.

Baggage claim

The area in an airport where arriving passengers collect their luggage.

Freelancer

A person who works independently rather than being employed by a specific company.

Intern

A student or trainee who works, sometimes without pay, to gain work experience (becario/a).

To resign

To voluntarily leave a job or office.

To promote

To raise someone to a higher position or rank.

To run out of

To finish a supply of something (e.g., 'We ran out of milk').

To look forward to

To feel excited about something that is going to happen.

To put off

To postpone or delay an event or task.

To get along with

To have a friendly relationship with someone.

To come up with

To suggest or think of an idea or plan.

Stubborn

Refusing to change one's mind or course of action; headstrong (terco).

Open-minded

Willing to consider new ideas; unprejudiced.

Easy-going

Relaxed and tolerant in attitude or manner.

Sustainable

Able to be maintained at a certain rate or level; eco-friendly.

Global warming

A gradual increase in the overall temperature of the earth's atmosphere.

Renewable energy

Energy from a source that is not depleted when used, such as wind or solar power.

Breakthrough

A sudden, dramatic, and important discovery or development.

Algorithm

A process or set of rules to be followed in calculations or problem-solving operations.

Thesis statement

A short statement that summarizes the main point or claim of an essay or research paper.

Peer-reviewed

Evaluation of scientific, academic, or professional work by others working in the same field.

To bridge the gap

To reduce the differences between two groups or situations.

To cut to the chase

To get directly to the point or the most important part of a matter.

To weather the storm

To successfully deal with a very difficult problem.

Ambivalent

Having mixed feelings or contradictory ideas about something or someone.

Overwhelmed

To have a strong emotional effect from being given too much of something (e.g., work).

To set the record straight

To give the true version of events that have been reported incorrectly.

Drawback

A feature that renders something less acceptable; a disadvantage or problem.