separation
gb/sˌɛpɚˈeɪʃən/ us/sˌɛpɚˈeɪʃən/
B1
英語
~ 6300
語義
0件の語義
名詞
B1
action
1
act or state of being apart
When people or things are moved apart or kept apart and are not together anymore.
用法パターン：
the separation of [A] and [B]; a separation between [A] and [B]
よくある間違い：
Learners sometimes confuse the noun "separation" with the verb or adjective "separate." Use "separation" after articles or adjectives (e.g., "a clear separation"), and use "separate" to describe actions ("to separate the books") or qualities ("separate rooms").
類義語
division (Often stresses the act of splitting something into parts, sometimes with a more formal or technical tone.)
対義語
union (Emphasizes coming or being together, especially after being apart.)
コロケーション
the separation of [two things]
|a clear separation
|physical separation
|complete separation
|separation between rooms
|enforce separation
テーマ
daily life
|society
|core_vocabulary
例文
- The separation of the two brothers at a young age had a lasting impact on them.
- A thin wall provides separation between the office and the waiting area.
- The animals are kept in different cages to maintain strict separation.
- After the accident, the immediate separation of the vehicles was necessary for safety.
- There must be clear separation between pedestrian paths and bike lanes.
学習者向け例文
- The separation of the two classrooms makes the school less noisy.
- We need more separation between the tables in this cafe.
- The teacher asked for separation of the groups for the next activity.
- The fence gives separation between our garden and the street.
名詞
B2
state
2
period when a couple lives apart
When a married couple or partners live in different places for some time, but they are not divorced.
用法パターン：
be in separation; a separation from [spouse/partner]
よくある間違い：
Learners often use "divorce" when they mean a couple is living apart but not legally ending the marriage. Use "separation" for living apart, and "divorce" for legally ending the marriage.
類義語
breakup (More informal and general; often implies the relationship is ending rather than a structured period of living apart.)
対義語
reconciliation (Focuses on partners coming back together after a period of conflict or living apart.)
コロケーション
a trial separation
|a legal separation
|go through a separation
|be in separation
|a long separation
|separation from her husband
テーマ
family
|emotions
|relationships
|law
例文
- After months of arguing, they decided on a trial separation to think about their future.
- The couple has been in separation for a year but has not filed for divorce.
- She found the separation from her husband emotionally exhausting.
- Their separation was difficult for the children, who had to split time between two homes.
- He signed the papers that made the separation official in the eyes of the court.
学習者向け例文
- My aunt and uncle are in separation, but they still talk every day.
- The separation was hard for their young son.
- They chose separation instead of divorce at first.
- During the separation, they lived in different cities.
名詞
B2
entity
3
difference or division between ideas or areas
A clear difference or line between two ideas, jobs, or parts of life so they do not mix.
用法パターン：
a separation between [area A] and [area B]; separation of [abstract noun] and [abstract noun]
よくある間違い：
Learners may say "difference between work and life" when they mean an organized border or rule. "Separation" suggests a more deliberate line or rule than simple "difference."
類義語
distinction (Emphasizes noticing or defining differences, often more intellectual or analytical.)
対義語
overlap (Describes areas, ideas, or roles that share parts or mix instead of being clearly divided.)
コロケーション
separation of church and state
|separation of powers
|separation between work and home
|strong separation
|maintain a separation
|blur the separation
テーマ
society
|business
|education
|core_vocabulary
例文
- She tries to keep a clear separation between her work life and her private life.
- The constitution requires a strong separation of powers among the branches of government.
- There is often little separation between business and politics in that country.
- The report argues for a sharper separation between advertising and editorial content.
- Modern technology has blurred the separation between home and office.
学習者向け例文
- I want more separation between my job and my free time.
- There should be separation between school rules and family rules.
- In this company, there is no clear separation between boss and friend.
- The law talks about separation of powers in the government.
unknown
B2
state
4
emotional distance between people
A feeling that you are not close to another person in your heart or mind.
用法パターン：
a separation between [person] and [person]; feel a separation from [someone]
よくある間違い：
Learners sometimes use only "distance" when they want to stress feelings. "Separation" here highlights a more serious or painful emotional gap than simple physical or social distance.
類義語
alienation (Stronger and more formal; often suggests deep loneliness and being pushed away by others.)
対義語
closeness (Emphasizes a warm, emotionally near relationship between people.)
コロケーション
emotional separation
|a growing separation
|a sense of separation
|feel a separation from
|separation between parents and children
テーマ
emotions
|relationships
例文
- He felt a growing separation from his old friends as their lives changed.
- Long working hours can create a quiet separation between parents and their children.
- After the move abroad, she experienced a deep separation from her family.
- The argument led to an emotional separation that lasted for years.
- Therapy helped them understand the separation they both felt in the marriage.
学習者向け例文
- She feels a separation from her family after moving away.
- There is emotional separation between the two brothers now.
- The long war caused separation between him and his son.
- He wants to reduce the separation he feels from his parents.
名詞
B1
relation
5
space or gap between things
The space between two things that are not close together or touching.
用法パターン：
a separation between [thing] and [thing]; a separation of [number/units]
よくある間違い：
Learners often say "space" or "distance" and do not realize "separation" can name the measured gap itself, especially in technical or safety contexts.
類義語
gap (More informal and concrete; usually a visible open space.)
対義語
contact (Describes things actually touching, with no space between them.)
コロケーション
a wide separation
|a small separation
|separation between lanes
|separation between houses
|vertical separation
|minimum separation
テーマ
science
|daily life
|space
|core_vocabulary
例文
- There is a narrow separation between the two parking spaces.
- Air traffic control keeps a safe separation between airplanes.
- The architect insisted on a clear separation between the buildings.
- A small separation at the base of the wall suggests structural movement.
- The chairs were arranged with plenty of separation between them.
学習者向け例文
- There is not enough separation between these two chairs.
- The two houses have a big separation between them.
- We need more separation between the lines on the page.
- The planes must keep a safe separation in the sky.
名詞
technical
C1
action
6
technical process of dividing substances
In science, the way to split a mixture into its different parts, like different gases or liquids.
用法パターン：
separation of [substance] from [substance]; [method] separation
類義語
extraction (Often refers to removing one desired component from a mixture, rather than dividing the whole mixture into all parts.)
対義語
mixing (The opposite process of combining substances into a mixture instead of dividing them.)
コロケーション
gas separation
|air separation
|protein separation
|phase separation
|separation process
|separation technology
テーマ
science
|technology
例文
- The plant uses membrane separation to remove carbon dioxide from the gas stream.
- Centrifuges are common tools for the separation of solids from liquids.
- The study focuses on the separation of rare metals from electronic waste.
- Improved oil–water separation is essential for reducing pollution.
- Phase separation occurred when the solution cooled below a certain temperature.
学習者向け例文
- We learned a method of separation in chemistry class.
- Filtration is a simple type of separation of solids from liquids.
- The machine helps with the separation of clean water from dirty water.
- Separation of different gases is important in industry.
名詞
formal
C1
event
7
formal end of employment or service
A formal way to say that someone’s job or service has ended.
用法パターン：
separation from [company/organization]; receive a separation
よくある間違い：
Learners often use only "lost his job" or "was fired" and may not recognize "separation" as a formal HR or military term for the end of employment or service.
類義語
termination (Common in HR and legal language; slightly more direct and sometimes harsher in tone.)
対義語
hiring (Focuses on beginning employment, the opposite stage of ending it.)
コロケーション
employee separation
|military separation
|separation date
|separation pay
|separation agreement
|notice of separation
テーマ
business
|law
|work
例文
- Her official separation from the company will be effective at the end of the month.
- Upon separation from the army, he received detailed discharge papers.
- The separation date listed on the form is incorrect.
- Employees affected by the layoff will receive separation pay.
- The HR department handles all paperwork related to staff separation.
学習者向け例文
- His separation from the company was not his choice.
- She got separation pay after the factory closed.
- The letter gave information about his separation date.
- After his separation from the army, he looked for a new job.
文法
辞書形
separation
IPA
GB/sˌɛpɚˈeɪʃən/
US/sˌɛpɚˈeɪʃən/
音節・強勢
sep - ar - a - tion （4音節）
Stress on 2nd syllable (ar)
活用形
Noun
- Base: separation
- Plural: separation, separations
関連語
Forms
separations
noun
Core family
separate
verb A2
separately
adverb B1
Related words
separable
adjective
separator
noun
Negative and opposite forms
inseparable
adjective B1
Advanced or less common
separatist
noun C1
separatism
noun
表現
legal separation
1/lˈiɡəl sˌɛpɚˈeɪʃən/
fixed phrase
formal
official arrangement to live apart
A formal court decision that a married couple will live apart but stay married.
例文
- They chose a legal separation instead of divorce for financial reasons.
- During the legal separation, they agreed on how to share child care.
- A legal separation can later be changed into a divorce.
separation agreement
1/sˌɛpɚˈeɪʃən əɡɹˈimənt/
fixed phrase
formal
contract for terms of living apart
A written legal paper that explains money, housing, and child care when a couple lives apart.
例文
- Their lawyer drafted a separation agreement covering child support and property.
- Signing a separation agreement helped reduce conflict during their breakup.
- The judge reviewed the separation agreement before approving it.
separation of concerns
1/sˌɛpɚˈeɪʃən əv kənsˈɚnz/
fixed phrase
technical
keeping different responsibilities separate
In programming and planning, the idea that different jobs or tasks should be kept in different parts so each part has one main job.
例文
- Good software design often follows the principle of separation of concerns.
- They reorganized the team to improve separation of concerns between design and testing.
- Separation of concerns makes complex systems easier to understand.
separation of powers
1/sˌɛpɚˈeɪʃən əv pˈaʊɚz/
fixed phrase
formal
dividing government power among branches
A political system where different groups, like the courts and the parliament, share power so one group cannot control everything.
例文
- The constitution is built on the separation of powers.
- Critics said the new law threatens the separation of powers.
- Students learned how the separation of powers works in their country.
separation pay
1/sˌɛpɚˈeɪʃən pˈeɪ/
fixed phrase
formal
money given when job ends
Extra money that a worker gets when their job ends, for example after a layoff.
例文
- The company offered generous separation pay to laid‑off employees.
- He used his separation pay to cover expenses while job hunting.
- Workers complained that the separation pay was too low.
trial separation
1/tɹˈaɪl sˌɛpɚˈeɪʃən/
fixed phrase
temporary living apart for a couple
A time when a couple lives apart for a while to see if they want to stay together or break up.
例文
- They agreed on a six‑month trial separation to think about their marriage.
- A trial separation helped them realize they still wanted to be together.
- The counselor suggested a trial separation instead of an immediate divorce.
separation anxiety
1/sˌɛpɚˈeɪʃən æŋzˈaɪəti/
fixed phrase
anxiety when away from loved one
Strong fear or worry when someone, often a child, is away from a parent or another very important person.
例文
- The child experienced separation anxiety on her first day of school.
- The child showed separation anxiety when his mother left the room.
- Dogs can suffer from separation anxiety when left alone.
- Dogs can have separation anxiety if they are left alone for many hours.
- Starting daycare, she struggled with separation anxiety each morning.
separation of church and state
1/sˌɛpɚˈeɪʃən əv t͡ʃˈɚt͡ʃ ˈænd stˈeɪt/
fixed phrase
formal
Independence of government and religion
The idea that the government should not control religion and religion should not control the government.
例文
- The constitution guarantees the separation of church and state.
- Debates about education often involve questions about the separation of church and state.
separation of church and state
2/sˌɛpɚˈeɪʃən əv t͡ʃˈɚt͡ʃ ˈænd stˈeɪt/
fixed phrase
keeping religion and government separate
The idea that government and religious groups should be independent and not control each other.
例文
- Many people see the separation of church and state as essential to a free society.
- The new law has raised questions about the country’s separation of church and state.
- They argued that funding the religious school breaks the separation of church and state.