accidental
gb/ˌæksədˈɛntəl/ us/ˌæksədˈɛntəl/
B2
英語
~ 7200
語義
0件の語義
adjective
B2
property
1
Happening by chance, not intended
Happening without a plan; not something that a person wanted to happen.
用法パターン：
an accidental [meeting/discovery/similarity]
よくある間違い：
Learners often say *"It was by accidental"* instead of *"It was accidental"* or *"It was by accident"*. Use **accidental** before a noun ("an accidental meeting") or after *be* ("it was accidental"), and use **by accident** as an adverb phrase ("I met him by accident").
類義語
unintentional (Focuses more on lack of purpose or will; often sounds slightly more formal or careful in tone.)
|
chance (Commonly used before nouns (a chance meeting); slightly more neutral and less explicit about lack of planning.)
対義語
deliberate (Stresses that something was planned or done on purpose, the opposite of happening by chance.)
コロケーション
purely accidental
|entirely accidental
|almost accidental
|an accidental meeting
|accidental discovery
|accidental similarity
テーマ
daily life
|communication
|core_vocabulary
例文
- Our first meeting was completely accidental; we just sat next to each other on the train.
- Any similarity to real people is purely accidental.
- Her success was partly planned and partly accidental.
- The mixing of the two chemicals was accidental, but it led to an important discovery.
- The design change was accidental, but everyone liked it better.
学習者向け例文
- I had an accidental meeting with my old teacher in the supermarket.
- The two songs have an accidental similarity in the melody.
- The company made an accidental discovery while testing a new product.
- The photo was an accidental picture, but it looks very nice.
- Our conversation was accidental; I did not plan to talk to him.
adjective
B2
property
2
Unintentional, especially of harm or damage
Happening without anyone wanting it to happen, especially when it causes harm or damage.
用法パターン：
accidental [damage/injury/death/overdose]
よくある間違い：
Learners sometimes say *"a damage by accident"* instead of *"accidental damage"* or *"damage by accident"*. Use **accidental** before the noun ("accidental damage", "accidental injury") when describing this type of harm, especially in legal or official language.
類義語
unintentional (Neutral description that, like this sense of *accidental*, is often used in legal or formal contexts about blame and responsibility.)
|
inadvertent (More formal; often implies carelessness rather than simple chance.)
対義語
intentional (Directly contrasts with harm or damage that someone meant to cause.)
コロケーション
accidental damage
|accidental death
|accidental injury
|accidental overdose
|accidental discharge
|accidental poisoning
テーマ
safety
|law
|health
|core_vocabulary
例文
- The court ruled that the fire was the result of accidental damage to an electrical cable.
- The company is being investigated after the accidental release of toxic chemicals into the river.
- He died from an accidental overdose of prescription medication.
- Always lock the safety catch to prevent an accidental discharge of the gun.
- The insurance policy covers accidental injury but not deliberate self-harm.
学習者向け例文
- The glass broke from accidental damage during the move.
- The child was taken to the hospital after an accidental fall.
- The report says it was an accidental fire, not a crime.
- You must pay for any accidental damage to the car.
- The police decided the man’s death was accidental, not murder.
adjective
formal
C1
property
3
Not essential; incidental in nature
Describing a quality or fact that is connected to something but is not a basic, important part of what it is.
用法パターン：
an accidental [feature/property/aspect]
よくある間違い：
Learners sometimes confuse this formal sense with the everyday idea of *"by chance"*. Here, **accidental** often contrasts with **essential** and means *"not a basic part"*, not necessarily something that happened randomly.
類義語
incidental (Very close in meaning; common in formal writing to describe secondary or minor features.)
|
nonessential (Directly states that something is not necessary; a bit more informal and transparent than *accidental* in this sense.)
対義語
essential (Describes a quality that is a necessary, defining part of something, the opposite of merely accidental or incidental.)
コロケーション
accidental property
|accidental feature
|accidental characteristic
|accidental aspect
|accidental detail
テーマ
philosophy
|science
|core_vocabulary
例文
- In this theory, color is considered an accidental feature of the object, not part of its essence.
- The author argues that social class is not an accidental detail but central to the story.
- Some philosophers distinguish between essential and accidental properties of a thing.
- The scratches on the surface are accidental, not part of the original design.
- Its popularity may be accidental, but its influence is undeniable.
学習者向け例文
- For this machine, the color is an accidental feature.
- Good weather was an accidental part of their success, not the main reason.
- In the teacher’s view, the name of the city is an accidental fact in the story.
- Some details in the movie are accidental and not very important.
- The size of the room is important, but the wall color is accidental.
名詞
technical
C1
entity
4
Musical sign that alters pitch
A sign in written music, like a sharp (♯), flat (♭), or natural (♮), that changes how high or low a note should sound.
用法パターン：
an accidental [appears/is written before a note]
よくある間違い：
Learners sometimes think **accidental** in music means the note is played *by accident*. In music theory, an **accidental** is a normal symbol that changes the pitch of a note and is not a mistake.
類義語
sharp/flat/natural sign (More explicit description of the types of accidentals; names the specific symbols rather than the general category.)
対義語
key signature (Not a direct logical opposite, but contrasts as the fixed set of sharps or flats for an entire piece, while an accidental is a local exception.)
コロケーション
add an accidental
|a stray accidental
|double accidental
|remove the accidental
|use an accidental
テーマ
music
|arts
|arts_entertainment
|education
例文
- The composer uses a sudden accidental to create tension in the melody.
- Be careful not to miss the accidental before the third note in bar four.
- That stray accidental is probably a printing error in the score.
- The double accidental raises the note by a whole tone.
- When the accidental is cancelled, the note returns to the pitch in the key signature.
学習者向け例文
- There is an accidental before this note, so play it higher.
- The student forgot the accidental and played the wrong note.
- Please circle every accidental you see in this line of music.
- That sign is an accidental; it changes the sound of the note.
- The teacher explained what an accidental is in the music.
文法
辞書形
accidental
IPA
GB/ˌæksədˈɛntəl/
US/ˌæksədˈɛntəl/
音節・強勢
ac - ci - dent - al （4音節）
Stress on 3rd syllable (dent)
活用形
Adjective
- Base: accidental
Noun
- Base: accidental
- Plural: accidentals
関連語
Forms
accidentals
noun
Core family
accident
noun A2
accidentally
adverb B1
Negative and opposite forms
intentional
adjective B2
intentionally
adverb B2
表現
この項目には、まだ関連する表現がありません。