B2 verb #6,000 más común 2 min de lectura

borderline

To be right on the edge of two different things, like being almost too much of one thing.

Explanation at your level:

This word is hard! It means something is very close to another thing. Imagine you are almost at the door. You are borderline at the door. You will learn this later.

When something is borderline, it is almost one thing, but maybe not quite. If a game is very, very close to being finished, you can say it borderlines on ending.

You use borderline to describe things that are on the edge. If someone says something that is almost rude, you can say, 'That comment borderlines on being offensive.' It helps you be more specific about your feelings.

Borderline is useful for nuance. It allows you to express that a situation is not clearly one thing or another. Instead of saying 'it is bad,' you might say 'it borderlines on being unacceptable,' which shows you are thinking carefully about the situation.

At this level, you can use borderline to describe complex social or professional behaviors. It is often used to critique situations where the intent is ambiguous. For example, 'The manager's decision borderlines on unethical,' which is a sophisticated way to express concern without making a definitive accusation.

Mastering borderline involves understanding its role in hedging. In academic or literary contexts, it functions as a tool for precision. It suggests that a phenomenon sits at the threshold of a category, inviting the listener or reader to consider the grey areas of human behavior, art, or logic. It is a hallmark of a speaker who values nuance over binary labels.

Palabra en 30 segundos

  • Borderline as a verb means to be on the edge of a category.
  • It is almost always followed by 'on'.
  • It is used to express nuance or criticism.
  • It is common in both casual and professional speech.

When you use borderline as a verb, you are describing something that is hanging right on the edge of a definition. Think of it like standing on a fence; you are not quite on one side or the other, but you are very close to both.

We usually use this word when something is nearly extreme or almost crossing a line. For instance, if a movie is very scary, you might say it borderlines on being a horror film. It is a great word for when things aren't quite black and white!

The word borderline is a compound of 'border' and 'line'. 'Border' comes from the Old French bordure, meaning the edge or margin of something. By the 19th century, English speakers began combining these to describe physical boundaries.

Over time, the term moved from describing literal geographic borders to describing abstract boundaries. By the mid-20th century, it became common to use it as a verb to describe behaviors or qualities that sit right on the edge of acceptable standards.

In casual conversation, we often use borderline to hedge our opinions. You will frequently hear it followed by the preposition on, as in 'borderlines on rude' or 'borderlines on genius'.

While it works in professional settings, be careful! Because it implies something is close to being 'too much' or 'unacceptable,' it can sound a bit critical. Use it when you want to point out that something is pushing the limits of what is considered normal or polite.

While 'borderline' is often used in idioms, here are related expressions: 1. Walking the line (keeping a balance), 2. Crossing the line (going too far), 3. On the fence (undecided), 4. Pushing the envelope (testing limits), 5. Thin line (a small difference between two things).

As a verb, borderline is almost always followed by the preposition on and a gerund (verb+ing) or a noun. For example: 'His behavior borderlines on being aggressive.' The stress is typically on the first syllable: BOR-der-line.

It rhymes with 'headline' and 'deadline'. Note that while it is commonly used as an adjective (a borderline case), using it as a verb is a very specific way to describe a state of constant, near-transition.

Fun Fact

It evolved from physical geography to psychological states.

Pronunciation Guide

UK /ˈbɔː.də.laɪn/

Clear 'r' sound, then 'line'.

US /ˈbɔr.dər.laɪn/

Rhotic 'r' sound.

Common Errors

  • pronouncing as board-er-line
  • stressing the last syllable
  • swallowing the 'r'

Rhymes With

deadline headline guideline pipeline baseline

Difficulty Rating

Lectura 2/5

easy to read

Writing 3/5

requires care with prepositions

Speaking 2/5

common in speech

Escucha 2/5

easy to hear

What to Learn Next

Prerequisites

border line edge

Learn Next

threshold verge nuance

Avanzado

ambiguous equivocal

Grammar to Know

Gerunds after prepositions

borderlines on being

Examples by Level

1

The water is borderline hot.

almost hot

adjective usage

2

It is borderline time to go.

almost time

adverbial

3

This is borderline.

on the edge

simple sentence

4

Is it borderline?

questioning the state

question

5

It borderlines on fun.

almost fun

verb form

6

He acts borderline.

on the edge

descriptive

7

The food is borderline cold.

nearly cold

adjective

8

That is borderline okay.

almost acceptable

adjective

1

The movie borderlines on boring.

2

His joke borderlines on mean.

3

The weather borderlines on cold.

4

The price borderlines on expensive.

5

The plan borderlines on impossible.

6

The speed borderlines on fast.

7

The color borderlines on red.

8

The noise borderlines on loud.

1

Her comment borderlines on being rude.

2

The project borderlines on genius.

3

His behavior borderlines on obsession.

4

The situation borderlines on chaotic.

5

The design borderlines on abstract.

6

The story borderlines on fiction.

7

The effort borderlines on heroic.

8

The result borderlines on perfect.

1

That strategy borderlines on reckless.

2

His tone borderlines on condescending.

3

The art style borderlines on surrealism.

4

The policy borderlines on discriminatory.

5

The performance borderlines on legendary.

6

The argument borderlines on logical fallacy.

7

The reaction borderlines on hysterical.

8

The suggestion borderlines on absurd.

1

His critique borderlines on intellectual dishonesty.

2

The film borderlines on avant-garde experimentation.

3

The political shift borderlines on authoritarianism.

4

The scientific theory borderlines on conjecture.

5

The architectural aesthetic borderlines on minimalism.

6

The literary style borderlines on stream-of-consciousness.

7

The corporate culture borderlines on cult-like.

8

The legal interpretation borderlines on malpractice.

1

The protagonist's morality borderlines on nihilistic indifference.

2

The philosophical inquiry borderlines on metaphysical speculation.

3

The orchestral composition borderlines on dissonance.

4

The political rhetoric borderlines on demagoguery.

5

The artistic expression borderlines on iconoclasm.

6

The societal transition borderlines on systemic collapse.

7

The historical analysis borderlines on revisionism.

8

The technological advancement borderlines on transhumanism.

Sinónimos

Antónimos

diverge differ avoid

Colocaciones comunes

borderline on
borderline case
borderline personality
borderline acceptable
borderline offensive
borderline genius
borderline impossible
borderline crazy
borderline boring
borderline cold
borderline illegal

Idioms & Expressions

"on the edge"

near a limit

He is on the edge of his seat.

neutral

""

""

""

""

""

Easily Confused

borderline vs boundary

both relate to edges

boundary is a noun, borderline is an adjective/verb

The boundary is clear; the behavior is borderline.

borderline vs

borderline vs

borderline vs

Sentence Patterns

B1

Subject + borderlines + on + noun/gerund

It borderlines on insanity.

Familia de palabras

Nouns

border the edge of something

Verbs

border to be next to

Adjectives

borderline on the edge

Relacionado

boundary synonym for the noun border

How to Use It

frequency

7

Formality Scale

Formal Neutral Casual Slang

Errores comunes

borderlining borderlining (rare) or just borderlines
Use the present tense 'borderlines' for consistency.
using borderline as a noun
forgetting the 'on'
confusing with boundary
using it for physical borders only
misspelling as boarderline

Tips

💡

Use it to hedge

Use it when you aren't sure if something is 'too much'.

💡

The 'on' rule

Always remember to add 'on' when using it as a verb.

💡

Music

Madonna has a famous song called Borderline.

💡

Context

Write 5 sentences about your day using it.

💡

Stress

Stress the first syllable.

💡

Noun vs Verb

Don't use it as a noun.

🌍

Medical

Be careful using it to describe people.

💡

Visual

Think of a fence.

💡

Register

It sounds slightly critical.

💡

Synonyms

Mix it with 'verge on'.

Memorize It

Mnemonic

Border + Line = You are standing on the line of the border.

Visual Association

A person standing on a tightrope.

Word Web

Limit Edge Threshold Boundary

Desafío

Use 'borderline' in a sentence today.

Origen de la palabra

English

Original meaning: A line marking a border.

Contexto cultural

Can be used as a label, so use with care.

Used often in medical and psychological contexts.

Borderline by Madonna Borderline Personality Disorder

Practice in Real Life

Real-World Contexts

Feedback

  • borderlines on rude
  • borderlines on unprofessional
  • borderlines on brilliant

Conversation Starters

"Have you ever seen a movie that borderlines on boring?"

"What behavior borderlines on being rude to you?"

"Do you think some laws borderline on unfair?"

"Is there a hobby that borderlines on obsession for you?"

"When does a joke borderline on being mean?"

Journal Prompts

Describe a situation that was borderline difficult.

Write about a time you felt borderline angry.

What is a borderline habit you have?

Describe a movie that borderlines on scary.

Preguntas frecuentes

8 preguntas

Yes, it can be used as a verb in informal English.

Ponte a prueba

fill blank A1

The situation is ___ on bad.

¡Correcto! No del todo. Respuesta correcta: borderline

It fits the verb structure.

multiple choice A2

Which means 'almost'?

¡Correcto! No del todo. Respuesta correcta: borderline

Borderline implies proximity to a limit.

true false B1

Borderline can be used as a verb.

¡Correcto! No del todo. Respuesta correcta: Verdadero

Yes, it describes a state of being on the edge.

match pairs B1

Word

Significado

All matched!

Matching synonyms.

sentence order B2

Toca las palabras de abajo para formar la oración
¡Correcto! No del todo. Respuesta correcta:

Correct verb phrase order.

Puntuación: /5

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