B2 verb #6 よく出る 4分で読める

breed

To produce young animals or to cause something to develop.

Explanation at your level:

Breed means when animals have babies. For example, 'Cats breed in the spring.' It is a simple word for life and families in nature. You can also use it to talk about how people raise animals on a farm. Remember: animals breed to make more animals!

When we talk about animals, we use breed to describe reproduction. Farmers breed cows to have healthy calves. It is also used to talk about types of animals. For example, 'What breed of dog is that?' (Here it is a noun). As a verb, it means to help animals have babies.

At this level, you can use breed metaphorically. It means to cause something to happen. For example, 'Carelessness breeds accidents.' It is a useful word for explaining cause and effect. Remember the past tense is bred. 'They have bred horses for years.'

You will see breed used in more complex contexts, like 'Success breeds confidence.' This means that when you succeed, you naturally feel more confident. It is a sophisticated way to link two ideas. Use it when you want to sound precise about how one situation creates another.

In advanced English, breed is often used to discuss social or political trends. 'The current economic climate breeds uncertainty.' It suggests an inevitable outcome. You might also hear 'a new breed of entrepreneur,' referring to a group with unique characteristics. It adds a layer of depth to your analysis.

At the mastery level, breed carries nuance regarding 'nurture' and 'development.' It connects to the etymological root of 'cherishing.' You might use it in literary analysis to describe how an environment 'breeds' a specific character trait. It is a versatile word that bridges the gap between biological necessity and abstract causality.

30秒でわかる単語

  • Biological reproduction of animals.
  • Selective management of traits.
  • Metaphor for causing a situation.
  • Irregular verb (bred).

Hey there! The word breed is a fascinating verb that carries a few different layers of meaning. At its most basic, it refers to the biological process of reproduction in animals. When we talk about nature, we say that animals breed in the spring to ensure their young have the best chance of survival.

However, humans have been using this word for a long time to talk about selective breeding. This is where we carefully choose which plants or animals reproduce to encourage traits like speed in horses or disease resistance in crops. It is all about shaping the future of a species!

Finally, you will often hear it used in a metaphorical sense. When someone says that 'poverty breeds crime,' they are not talking about biology. Instead, they are saying that one situation creates the perfect environment for another to develop. It is a powerful way to describe cause and effect in our world.

The word breed has deep roots in Old English, coming from the word bredan, which originally meant 'to cherish' or 'to keep warm.' Think about a mother bird sitting on her eggs—that is the literal 'cherishing' that leads to new life!

Over centuries, the meaning shifted from the act of nurturing to the act of producing offspring. By the Middle English period, it was firmly associated with the reproduction of livestock. It is closely related to the German word brüten, which means to hatch or brood.

Interestingly, the shift toward 'causing something to develop' (like 'ignorance breeds fear') didn't fully solidify until the 16th century. It is a great example of how a word can start with a very physical, warm action and expand into an abstract concept used in politics, sociology, and everyday conversation.

Using breed correctly depends on the context. In a scientific or agricultural setting, it is a neutral, descriptive term. You will hear phrases like breed cattle or breed dogs quite often. It is the standard term for professional animal husbandry.

When you move into the metaphorical realm, the register becomes slightly more formal or literary. Using it in casual conversation to say 'this party breeds bad vibes' might sound a bit dramatic or sophisticated. It is perfect for essays or serious discussions where you want to emphasize that a situation is inevitably leading to a specific result.

Common word combos include carefully bred, selectively bred, and breed success. Notice how it is almost always used with a noun that represents a condition or a feeling when used metaphorically. Keep it simple in casual talk, but use it with flair in your writing!

Idioms involving breed often focus on the idea of origins or repetition. 1. Breed like rabbits: To produce a large number of offspring very quickly. 2. A new breed of...: A new type of person or thing that is different from previous ones (e.g., 'a new breed of politician'). 3. Familiarity breeds contempt: Knowing someone or something too well can lead to a lack of respect. 4. Born and bred: Used to describe where someone grew up and was raised (e.g., 'I am a Londoner, born and bred'). 5. Breed true: A term used when offspring display the same characteristics as their parents.

The verb breed is irregular. Its past tense and past participle form is bred (not 'breed-ed'). This is a common trip-up for learners, so keep an eye on it! It is a transitive verb, meaning it usually needs an object—you breed something.

Pronunciation-wise, it features a long 'ee' sound (/briːd/). It rhymes with seed, need, feed, deed, and speed. The stress is always on the single syllable, making it punchy and clear.

When using it as a noun (though we are focusing on the verb here), the plural is breeds. As a verb, it follows standard subject-verb agreement: 'He breeds dogs' versus 'They breed dogs.' It is a straightforward word grammatically, provided you remember that irregular past tense form!

Fun Fact

It originally referred to the warmth of a mother bird sitting on eggs.

Pronunciation Guide

UK /briːd/

Long 'ee' sound.

US /briːd/

Clear, sharp 'd' at the end.

Common Errors

  • Pronouncing it like 'bread'
  • Adding an extra syllable
  • Confusing 'bred' with 'bread'

Rhymes With

seed need feed deed speed

Difficulty Rating

読解 2/5

Easy to read

Writing 2/5
Speaking 2/5
リスニング 2/5

What to Learn Next

Prerequisites

animal farm baby

Learn Next

reproduce genetics cultivate

上級

propagate engender

Grammar to Know

Irregular Verbs

breed/bred/bred

Subject-Verb Agreement

He breeds...

Examples by Level

1

The cats breed in the spring.

Cats have babies in spring.

Subject-verb agreement.

2

Farmers breed cows.

Farmers raise cows for babies.

Transitive verb.

3

They breed horses.

They raise horses.

Verb usage.

4

Birds breed in nests.

Birds have babies in nests.

Location.

5

Some dogs breed fast.

Some dogs have many babies.

Adverb usage.

6

Do they breed sheep?

Is it their job to raise sheep?

Question form.

7

Animals breed to live.

It is how they survive.

Infinitive purpose.

8

We breed fish here.

We keep fish to reproduce.

Location usage.

1

They breed dogs for shows.

2

The zoo tries to breed rare tigers.

3

Many animals breed in the wild.

4

He wants to breed exotic birds.

5

Do you breed these plants?

6

The farm breeds healthy cattle.

7

They breed animals carefully.

8

It is hard to breed some species.

1

Neglect breeds trouble at home.

2

Fear often breeds more fear.

3

The company breeds a culture of excellence.

4

They have bred this dog for speed.

5

Poverty often breeds crime in cities.

6

Success breeds success, they say.

7

The trainer breeds champions.

8

He was born and bred in Texas.

1

A new breed of tech startup is emerging.

2

The situation breeds resentment among staff.

3

He is a new breed of athlete.

4

They have bred a disease-resistant crop.

5

Familiarity breeds contempt in long projects.

6

The environment breeds creativity.

7

This policy breeds confusion.

8

She is a rare breed of leader.

1

The isolation breeds a sense of detachment.

2

This ideology breeds intolerance.

3

They have bred a unique strain of wheat.

4

The system breeds dependency.

5

Such conditions breed instability.

6

A new breed of activist is rising.

7

It breeds a sense of urgency.

8

The competition breeds innovation.

1

The stagnant water breeds mosquitoes.

2

The culture breeds a specific type of stoicism.

3

He is a different breed of intellectual.

4

The experiment breeds unexpected results.

5

The climate breeds resilience in the locals.

6

It breeds an atmosphere of distrust.

7

They have bred out the aggressive traits.

8

The era bred great thinkers.

類義語

reproduce propagate generate foster spawn multiply

反対語

extinguish suppress stifle

よく使う組み合わせ

selectively breed
breed success
breed contempt
breed resentment
breed crime
breed confusion
carefully bred
breed awareness
breed fear
breed innovation

Idioms & Expressions

"Born and bred"

Raised in a specific place

I am a New Yorker, born and bred.

neutral

"Familiarity breeds contempt"

Knowing someone too well makes you lose respect

Don't spend too much time with the boss; familiarity breeds contempt.

formal

"A new breed of"

A new type of person or thing

There is a new breed of teacher using AI.

neutral

"Breed like rabbits"

To have many children quickly

They have so many kids, they breed like rabbits!

casual

"Breed true"

Offspring look like parents

These seeds will breed true.

technical

"In-breed"

To mate with close relatives

In-breeding can cause health issues.

technical

Easily Confused

breed vs bread

Homophone

Bread is food; breed is a verb.

I eat bread; I breed dogs.

breed vs brood

Similar sound

Brood means to sit on eggs or worry.

The hen broods her eggs.

breed vs breed vs. raise

Both used for animals

Breed is for reproduction; raise is for care.

I raise cows; I breed them for better milk.

Sentence Patterns

A1

Subject + breed + object

They breed horses.

A2

Subject + breed + object + for + purpose

He breeds dogs for hunting.

B1

Noun + breeds + noun

Poverty breeds crime.

B2

Adverb + bred

They are carefully bred.

B2

Born and bred + in + location

I was born and bred in Rome.

語族

Nouns

breeder Person who breeds animals

Verbs

breed To reproduce

Adjectives

purebred Of a single breed

関連

breeding Gerund form

How to Use It

frequency

7

Formality Scale

Formal (academic) Neutral (general) Casual (conversational)

よくある間違い

I breeded the dog. I bred the dog.
Breed is an irregular verb.
It breeds a new problem. It creates a new problem.
Breed is better for feelings/conditions, not just any task.
The animal is a breed. The animal is a specific breed.
Breed as a noun needs an adjective.
He was born and breed in Paris. He was born and bred in Paris.
Bred is the past participle.
The farm breeds vegetables. The farm grows vegetables.
Breed is for animals; grow is for plants.

Tips

💡

The 'Bred' Rule

Always remember: I breed today, I bred yesterday.

💡

Metaphorical Power

Use it to describe negative situations like 'fear' or 'crime'.

💡

Etymology

It comes from the word for 'cherishing'.

💡

Word Web

Connect it to 'reproduction' and 'nurture'.

Memorize It

Mnemonic

B-R-E-E-D: Babies Really Enjoy Every Day.

Visual Association

A mother dog with puppies.

Word Web

reproduction farming cause-and-effect genetics

チャレンジ

Write three sentences: one about animals, one about plants, one about a feeling.

語源

Old English

Original meaning: To cherish or keep warm

文化的な背景

Avoid using 'breed' to refer to humans in a biological sense as it can be offensive.

Commonly used in farming and dog-show culture.

'Born and Bred' (TV show) Various dog breed registries

Practice in Real Life

Real-World Contexts

At a farm

  • breed cattle
  • purebred livestock
  • breeding season

In a debate

  • breeds resentment
  • breeds uncertainty
  • breeds success

Pet ownership

  • what breed is he?
  • responsible breeding
  • rescue vs breed

Biology class

  • selective breeding
  • reproduction rates
  • genetic traits

Conversation Starters

"What breed of dog do you like?"

"Do you think poverty breeds crime?"

"Where were you born and bred?"

"Is selective breeding good?"

"What new breed of technology excites you?"

Journal Prompts

Describe a place where you were born and bred.

Write about a situation that breeds success.

How do animals breed in the wild?

Explain why familiarity breeds contempt.

よくある質問

8 問

No, the past tense is bred.

Yes, specifically for selective breeding.

Grow is for plants/size; breed is for reproduction.

An animal of a single, unmixed lineage.

Only if applied to human groups.

Raised in a specific location.

Yes, as a gerund.

Yes, especially regarding pets.

自分をテスト

fill blank A1

The farmer ___ cows.

正解! おしい! 正解: breeds

Present tense verb.

multiple choice A2

Which is the past tense?

正解! おしい! 正解: bred

Irregular verb form.

true false B1

You can 'breed' a feeling like fear.

正解! おしい! 正解: 正しい

Metaphorical use.

match pairs B1

Word

意味

All matched!

Idiom meaning.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解:

Subject-verb-object.

スコア: /5

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