A1 noun ニュートラル #2,633 よく出る

sudden

/ˈsʌd.ən/

A noun used almost exclusively in the fixed phrase 'all of a sudden,' referring to a quick or unexpected occurrence. It describes a moment when something happens very fast without any warning.

例文

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1

All of a sudden, the lights went out during the party.

All of a sudden, the lights went out during the party.

2

The sudden of the news caused a significant shift in the market strategy.

The sudden of the news caused a significant shift in the market strategy.

3

Then, all of a sudden, he just started laughing!

Then, all of a sudden, he just started laughing!

語族

名詞
suddenness
副詞
suddenly
形容詞
sudden
関連
suddenness
💡

覚え方のコツ

Sudden sounds like 'subway'—the train arrives in a sudden rush and then it's gone!

クイックテスト

Everything was quiet, but all of a ___ the dog started barking.

正解!

正解は: sudden

例文

1

All of a sudden, the lights went out during the party.

everyday

All of a sudden, the lights went out during the party.

2

The sudden of the news caused a significant shift in the market strategy.

formal

The sudden of the news caused a significant shift in the market strategy.

3

Then, all of a sudden, he just started laughing!

informal

Then, all of a sudden, he just started laughing!

4

The researchers noted the sudden of the reaction within the controlled environment.

academic

The researchers noted the sudden of the reaction within the controlled environment.

5

All of a sudden, the client decided to cancel the entire contract.

business

All of a sudden, the client decided to cancel the entire contract.

語族

名詞
suddenness
副詞
suddenly
形容詞
sudden
関連
suddenness

よく使う組み合わせ

all of a sudden all of a sudden
without a sudden without a sudden
the sudden of the sudden of
an unexpected sudden an unexpected sudden
a brief sudden a brief sudden

よく使うフレーズ

all of a sudden

happening very quickly and unexpectedly

of a sudden

an older or literary way to say suddenly

sudden death

a tie-breaking rule in sports where the first to score wins

よく混同される語

sudden vs suddenly

Suddenly is an adverb modifying a verb, while sudden is a noun/adjective used in fixed phrases.

sudden vs soon

Soon refers to something happening after a short time, while sudden refers to the speed and surprise of the event.

📝

使い方のコツ

In modern English, 'sudden' is rarely used as a standalone noun. It is almost always preceded by 'all of a' to form an idiomatic expression.

⚠️

よくある間違い

Learners often forget the 'a' and say 'all of sudden' instead of 'all of a sudden.'

💡

覚え方のコツ

Sudden sounds like 'subway'—the train arrives in a sudden rush and then it's gone!

📖

語源

From the Old French word 'sodain', which comes from the Latin 'subitaneus' meaning 'happening quickly'.

文法パターン

Used in the idiomatic structure 'all of a + noun' Functions as the head of a prepositional phrase No plural form when used in common idioms
🌍

文化的な背景

The phrase 'all of a sudden' is a staple of oral storytelling in English to build suspense.

クイックテスト

Everything was quiet, but all of a ___ the dog started barking.

正解!

正解は: sudden

Emotionsの関連語

joy

A1

A deep feeling of great happiness and pleasure. It is used to describe an intense emotion or something that causes this feeling.

pleased

A1

To feel or show satisfaction and happiness about a specific event, situation, or result. It is commonly used to describe a person's positive emotional state when their expectations are met or exceeded.

content

A1

A feeling of being happy and satisfied with what you have or your current situation. It describes a state of peace where you do not feel the need for anything more.

eager

A1

Eager describes a person who has a strong desire to do something or is very excited about something that will happen. It suggests a positive, energetic readiness and a keen interest in a particular activity.

confident

A1

To be confident means feeling sure about your own abilities or that something will happen as you expect. It describes a person who believes in themselves and does not feel nervous or shy in front of others.

proud

A1

Proud describes the feeling of deep pleasure or satisfaction as a result of one's own achievements or the achievements of those one is associated with. It is often used to express honor or high self-esteem regarding a specific quality or action.

relieved

A1

Feeling happy and relaxed because something difficult or unpleasant has stopped or did not happen. It describes the sense of comfort you feel when a worry goes away.

cherish

A1

To love someone or something very much and want to protect them. It also means to keep a happy memory or a feeling in your heart for a long time.

admire

A1

To look at someone or something and feel respect or approval. It is used when you think someone is very good, or when you think something is beautiful to look at.

tender

A1

A gentle and kind feeling or quality shown toward others. It describes a soft emotional state where someone is caring, affectionate, and easily moved by love or sympathy.

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