essential
gb/ɪsˈɛnʃəl/ us/ɪsˈɛnʃəl/
B1
英語
~ 1200
語義
0件の語義
adjective
B1
property
1
Completely necessary or very important
Very important and needed; you cannot do without it.
用法パターン：
[something] is essential for/to [something]
よくある間違い：
Learners sometimes confuse 'essential' with 'important'. While all essentials are important, 'essential' means absolutely necessary, not just helpful.
類義語
crucial (Slightly more urgent or decisive in tone, often used for critical moments.)
|
vital (Emphasizes necessity for survival or success.)
対義語
optional (Implies something is not required.)
|
unnecessary (Direct opposite, meaning not needed at all.)
コロケーション
absolutely essential
|essential part
|essential requirement
|essential information
|essential skills
テーマ
daily life
|work
|education
|core_vocabulary
例文
- Water is essential for all forms of life.
- It is essential to wear a helmet when riding a bike.
- Good communication is essential to a healthy relationship.
- Experience in customer service is essential for this job.
学習者向け例文
- Water is essential for people and animals.
- A passport is essential for travel to another country.
- It is essential to eat healthy food every day.
- Good shoes are essential for running.
名詞
B1
entity
2
A basic and necessary thing
Something that is very important and needed.
用法パターン：
the essentials of [something]
よくある間違い：
Learners sometimes use 'essentials' to describe luxuries they personally value; it should mean things truly needed.
類義語
necessity (General term for something needed; can be less absolute in some contexts.)
対義語
luxury (Something desirable but not necessary.)
コロケーション
basic essentials
|carry the essentials
|pack the essentials
|the bare essentials
テーマ
daily life
|travel
|survival
|daily_life
|core_vocabulary
例文
- She packed only the essentials for the trip.
- Food, water, and shelter are essentials for survival.
- Understanding the essentials of grammar is important for writing well.
学習者向け例文
- We bought the essentials for the picnic.
- Water is one of the essentials of life.
- I only carry the essentials in my bag.
adjective
B2
property
3
Belonging to the basic nature of something
Part of the basic nature of something; cannot be removed without changing it.
用法パターン：
an essential part/feature of [something]
類義語
intrinsic (More formal, emphasizes being inherent by nature.)
対義語
accidental (Formal term meaning not part of the inherent nature.)
コロケーション
essential quality
|essential feature
|essential character
テーマ
philosophy
|science
|core_vocabulary
例文
- Freedom of speech is an essential feature of democracy.
- Patience is an essential quality in a good teacher.
- Understanding is essential to any successful relationship.
学習者向け例文
- Air is an essential part of life.
- Kindness is an essential part of being a good friend.
- Water is an essential part of our body.
文法
辞書形
essential
IPA
GB/ɪsˈɛnʃəl/
US/ɪsˈɛnʃəl/
音節・強勢
es - sen - tial （3音節）
Stress on 2nd syllable (sen)
活用形
Adjective
- Base: essential
Noun
- Base: essential
- Plural: essentials
関連語
Forms
essentials
noun
Core family
essence
noun B2
essentially
adverb B1
Negative and opposite forms
nonessential
adjective
inessential
adjective
Advanced or less common
essentialism
noun
essentialist
noun
表現
bare essentials
1/bˈɛɹ ɪsˈɛnʃəlz/
fixed phrase
Only the most necessary things
Only the things you really need; nothing extra.
例文
- We only took the bare essentials on our camping trip.
- After the fire, they were left with just the bare essentials.
essential oils
1/ɪsˈɛnʃəl ˈɔɪlz/
fixed phrase
Concentrated plant extracts with aroma
Strong liquids from plants that have a special smell or taste, used in perfumes, food, or medicine.
例文
- Lavender and peppermint are popular essential oils used in aromatherapy.
- She added a few drops of essential oil to the bath.