A2 verb 3 min read

解冻

To make something warm so that the ice melts.

jiě dòng

Explanation at your level:

You use defrost when something is very cold and has ice on it. If you have food in the freezer, you must defrost it before you cook it. It is like making the ice go away. You can also defrost your car window when it is winter.

To defrost means to change something from frozen to not frozen. You can defrost meat, vegetables, or even your car's windshield. Most modern refrigerators have a defrost button to stop ice from building up inside. It is a very common word in the kitchen.

Beyond just food, defrost describes the process of removing ice from surfaces. You might hear someone say, 'I need to defrost the freezer,' which means cleaning out the ice buildup. It is also used in a metaphorical sense, such as 'defrosting' a tense situation between two people, implying that things are becoming more comfortable and friendly.

The verb defrost is highly functional. In technical contexts, it refers to the removal of ice accumulation from machinery. In social contexts, it describes a shift from a cold, formal, or hostile state to a warmer, more open one. Understanding the nuance between defrost and thaw is useful; thaw is often more gradual and natural, while defrost implies an active intervention.

At the C1 level, you can use defrost in figurative and political discourse. For instance, 'defrosting international relations' suggests a thaw in hostilities. It carries a connotation of active, intentional effort to reverse a 'frozen' state. Whether discussing the thermodynamics of a cooling system or the complexities of diplomacy, the word remains a powerful tool for describing the transition from stagnation to activity.

Mastery of defrost involves recognizing its role in both domestic utility and abstract metaphor. Historically, the word gained prominence with the advent of industrial refrigeration. In modern usage, it serves as a bridge between the physical world of temperature control and the psychological world of interpersonal dynamics. When you use it to describe a 'defrosting' of a long-standing stalemate, you are employing a sophisticated metaphor that native speakers immediately understand as the reversal of a rigid, immovable state.

Word in 30 Seconds

  • Defrost means to remove ice.
  • Used for food and cars.
  • Regular verb (defrosted).
  • Can be used metaphorically.

Hey there! Let's talk about the word defrost. At its core, this verb is all about changing something from a frozen state back to a normal, room-temperature state. Think of it as the opposite of freezing.

You will most commonly hear this word in the kitchen. If you have a chicken breast sitting in your freezer, you need to defrost it before you can cook it properly. It's a vital step in food safety!

Beyond the kitchen, defrost is also used for machines and cars. Have you ever walked out to your car on a freezing morning and seen a layer of ice on the glass? That is when you turn on your car's defrost setting to melt that ice away so you can see the road clearly.

The word defrost is a classic example of a prefix-based construction. It combines the prefix de-, which means 'to remove' or 'reverse', with the word frost. It entered the English language in the early 20th century as refrigeration technology became common in homes.

The root frost comes from Old English forst, which is related to the Germanic roots for 'freezing'. By adding de-, English speakers created a precise verb to describe the reversal of that icy state. It is a very logical word, isn't it?

Interestingly, while we use defrost for food, you might also hear the term thaw. While they are often used interchangeably, defrost often implies a mechanical process or a specific intent to remove ice, whereas thaw is a more natural process of warming up.

When using defrost, you are usually talking about an object. We say 'defrost the meat' or 'defrost the freezer'. It is a transitive verb, meaning it usually takes an object.

In casual conversation, we often use it as a noun-verb hybrid for car features. You might say, 'I need to turn on the defroster.' In a more formal or instructional setting, like a recipe, you will see instructions like 'Defrost the ingredients thoroughly before cooking.'

The register is generally neutral. It is not slang, but it is not overly academic either. It is a practical, everyday word that you will use whenever you interact with frozen items or cold-weather maintenance.

While defrost is mostly literal, we sometimes use it figuratively. 1. Defrost a relationship: To make a tense situation warmer or friendlier. Example: 'The two leaders met to defrost their icy diplomatic relations.' 2. Defrosting the market: Used in economics to describe a market that was 'frozen' or stagnant starting to move again. 3. Cold shoulder to defrost: To stop ignoring someone. Example: 'He finally defrosted and started talking to me again.' 4. Defrosting the budget: Releasing funds that were previously frozen. 5. Frozen to defrosted: A transformation metaphor for changing one's mind.

Defrost is a regular verb. Its past tense and past participle form is defrosted, and its present participle is defrosting. It follows standard English verb patterns.

Pronunciation-wise, it is /diːˈfrɒst/ in British English and /diːˈfrɔːst/ in American English. The stress is on the second syllable: de-FROST. A common mistake is to stress the first syllable, but native speakers almost always emphasize the 'frost' part.

It rhymes with lost, cost, tossed, crossed, and exhausted. Remember that since it is a regular verb, you don't need to worry about irregular forms like 'defrosted' becoming something weird—it stays nice and simple!

Fun Fact

The word became very common in the 1950s with the rise of home freezers.

Pronunciation Guide

UK /diːˈfrɒst/

Sounds like 'dee-frost' with a short 'o'.

US /diːˈfrɔːst/

Sounds like 'dee-frost' with a longer 'aw' sound.

Common Errors

  • stressing the first syllable
  • pronouncing the 't' too strongly
  • confusing with 'frost'

Rhymes With

lost cost tossed crossed exhausted

Difficulty Rating

Reading 1/5

Easy to read

Writing 2/5

Simple verb patterns

Speaking 2/5

Commonly used

Listening 2/5

Clear pronunciation

What to Learn Next

Prerequisites

ice cold freeze

Learn Next

refrigerate thaw temperature

Advanced

stagnation diplomacy

Grammar to Know

Regular Verbs

defrost -> defrosted

Imperative Mood

Defrost the meat.

Present Continuous

I am defrosting.

Examples by Level

1

I need to defrost the chicken.

I / need / to defrost / the chicken

Verb + object.

2

The car window is cold.

The car / window / is / cold

Adjective usage.

3

Defrost the food now.

Defrost / the food / now

Imperative.

4

Is the meat defrosted?

Is / the meat / defrosted

Past participle as adjective.

5

I defrost the fridge.

I / defrost / the fridge

Present simple.

6

Don't forget to defrost.

Don't / forget / to defrost

Infinitive.

7

It is defrosting slowly.

It / is / defrosting / slowly

Present continuous.

8

I will defrost it.

I / will / defrost / it

Future tense.

1

Please defrost the peas before dinner.

2

The car has a button to defrost the glass.

3

I forgot to defrost the steak last night.

4

How long does it take to defrost?

5

The freezer needs to be defrosted.

6

She is defrosting the bread for lunch.

7

Is it safe to defrost meat in the microwave?

8

The windshield is finally defrosted.

1

The diplomatic relations between the two countries are starting to defrost.

2

Make sure you defrost the turkey completely before roasting it.

3

My car's defroster is broken, so I can't see.

4

He is trying to defrost the icy atmosphere in the room.

5

The market is slowly defrosting after the economic crisis.

6

We need to defrost the freezer every six months.

7

She defrosted the spinach by running it under warm water.

8

It is better to defrost food in the refrigerator overnight.

1

The peace talks helped to defrost the long-standing conflict.

2

You should never defrost frozen food at room temperature.

3

The sudden warmth helped to defrost the pipes.

4

He attempted to defrost the tension with a joke.

5

The company is defrosting its hiring freeze.

6

The pilot waited for the plane to defrost before taking off.

7

Defrosting the windshield is a necessary winter chore.

8

The relationship between the partners has finally begun to defrost.

1

The government's decision to defrost assets was a sign of goodwill.

2

The subtle shift in her tone helped to defrost the conversation.

3

We must defrost the cooling coils to maintain efficiency.

4

The defrosting of the political landscape surprised many observers.

5

She felt the coldness in his heart slowly defrost.

6

The defrosting process is critical for maintaining food safety standards.

7

He used a hairdryer to defrost the lock on the door.

8

The defrosting of the economy is expected to take several months.

1

The defrosting of the diplomatic freeze was hailed as a breakthrough.

2

His rigid demeanor seemed to defrost under the influence of her kindness.

3

The engineers developed a new system to defrost the aircraft wings.

4

The defrosting of the long-standing trade embargo changed everything.

5

She watched the frost defrost on the windowpane with fascination.

6

The defrosting of the cultural divide took years of patience.

7

He spoke with a warmth that seemed to defrost the entire room.

8

The defrosting of the frozen tundra revealed ancient secrets.

Common Collocations

defrost the freezer
defrost the windshield
defrost meat
thoroughly defrost
slowly defrost
defrost setting
defrost button
fully defrosted
defrost cycle
defrost relations

Idioms & Expressions

"on ice"

postponed

The project is on ice for now.

casual

"break the ice"

start a conversation

He told a joke to break the ice.

neutral

"cold shoulder"

ignore someone

She gave him the cold shoulder.

casual

"in the deep freeze"

put away for a long time

The plan was put in the deep freeze.

casual

"tip of the iceberg"

small part of a big problem

This is just the tip of the iceberg.

neutral

"walk on thin ice"

be in a risky situation

You are walking on thin ice with that attitude.

casual

Easily Confused

解冻 vs thaw

both mean melting

thaw is more natural

The ice thawed vs I defrosted the meat.

解冻 vs melt

both involve liquids

melt is for any solid

The candle melted.

解冻 vs freeze

opposite

freeze makes ice

Freeze the water.

解冻 vs de-ice

similar sounds

de-ice is for surfaces

De-ice the plane.

Sentence Patterns

A1

Subject + defrost + object

I defrost the meat.

A1

Imperative + defrost + object

Defrost the chicken!

A2

Subject + be + defrosting + object

I am defrosting the freezer.

A2

Subject + will + defrost + object

She will defrost it later.

B1

Subject + have + defrosted + object

I have defrosted the turkey.

Word Family

Nouns

defroster a device that removes ice

Verbs

defrost to remove ice

Adjectives

defrosted no longer frozen

Related

frost the opposite state

How to Use It

frequency

7

Formality Scale

instructional neutral casual n/a

Common Mistakes

unthaw thaw
Unthaw is redundant because thaw already means to melt.
defrosting the oven cleaning the oven
You don't defrost an oven; you defrost a freezer.
defrosting the soup heating the soup
Defrost is for solids; heat is for liquids.
defrosting the ice melting the ice
Defrosting implies removing ice from an object.
I will defrost the meat tomorrow morning for dinner tonight I will defrost the meat tonight for dinner tomorrow
Defrosting takes time, so do it in advance.

Tips

💡

Break it down

Remember DE-FROST means remove-frost.

💡

Kitchen safety

Always defrost meat in the fridge.

🌍

Winter driving

Use the defrost button on your car.

💡

Regular verb

It ends in -ed for past tense.

💡

Stress the second part

Say de-FROST.

💡

Avoid unthaw

Just use thaw.

💡

Fridge history

Auto-defrost changed home life.

💡

Use in a sentence

Write 3 sentences about your kitchen.

💡

Metaphorical use

Use it for tense situations.

💡

Rhyme it

Rhymes with lost.

Memorize It

Mnemonic

DE (remove) + FROST (ice) = Remove the ice.

Visual Association

Imagine a block of ice turning into water on a sunny porch.

Word Web

freezer ice melt temperature cold

Challenge

Check your fridge for a 'defrost' button.

Word Origin

English

Original meaning: To remove frost

Cultural Context

None.

Commonly used in household and car maintenance instructions.

Used in many cooking shows like 'The Great British Bake Off'.

Practice in Real Life

Real-World Contexts

kitchen

  • defrost the meat
  • defrost in the fridge
  • microwave defrost

driving

  • defrost the windshield
  • turn on the defroster
  • clear the ice

appliances

  • auto-defrost cycle
  • defrost the freezer
  • defrost button

social

  • defrost relations
  • defrost the tension
  • thaw the atmosphere

Conversation Starters

"How do you usually defrost your food?"

"Do you know how to use your car's defroster?"

"Have you ever forgotten to defrost something?"

"What is the best way to defrost a turkey?"

"Can you think of a situation where a relationship 'defrosted'?"

Journal Prompts

Write about a time you forgot to defrost dinner.

Describe the process of defrosting your freezer.

Explain why it is important to defrost a car windshield.

Write a story about a 'defrosting' of a cold relationship.

Frequently Asked Questions

8 questions

Yes, but defrost is more common for mechanical processes.

Yes, most microwaves have a defrost setting.

It depends on the size of the item.

A machine or feature that removes ice.

Yes, if done correctly.

Yes, it is very common.

Modern fridges have auto-defrost.

Defrosted.

Test Yourself

fill blank A1

I need to ___ the meat before cooking.

Correct! Not quite. Correct answer: defrost

Defrost is the correct term for melting ice from food.

multiple choice A2

What does defrost mean?

Correct! Not quite. Correct answer: To remove ice

Defrost means to remove ice.

true false B1

You should defrost food at room temperature for a long time.

Correct! Not quite. Correct answer: False

It is safer to defrost in the fridge.

match pairs B1

Word

Meaning

All matched!

Defrost and freeze are opposites.

sentence order B2

Tap words below to build the sentence
Correct! Not quite. Correct answer:

Please defrost the meat.

Score: /5

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