assumption
gb/əsˈʌmpʃən/ us/əsˈʌmpʃən/
B2
英語
~ 1800
語義
0件の語義
名詞
B2
entity
1
belief without proof
An idea you think is true, but you do not have proof.
用法パターン：
make [an assumption] about [something]
よくある間違い：
Learners sometimes confuse 'assumption' with 'guess'. A guess is often less certain and may not be based on reasoning, while an assumption is usually a starting point for thinking or action.
類義語
presumption (Often suggests a stronger or more confident belief without proof.)
|
supposition (More formal; often used in academic or careful speech.)
対義語
fact (A statement that can be proven true, unlike an assumption.)
|
certainty (A state of being sure, which contrasts with accepting something without proof.)
コロケーション
make an assumption
|based on the assumption
|challenge an assumption
|question an assumption
テーマ
thinking
|communication
|logic
|core_vocabulary
|education
例文
- Her decision was based on the assumption that he would agree.
- We cannot operate on the assumption that nothing will go wrong.
- That’s a dangerous assumption to make without evidence.
- He acted under the false assumption that she was single.
学習者向け例文
- I made the assumption that he was at home.
- She works on the assumption that the plan will succeed.
- It is only an assumption, not a fact.
- They made an assumption about his skills.
名詞
formal
C1
action
2
taking control or duty
The act of starting to have a job, power, or responsibility.
用法パターン：
the assumption of [responsibility/office/duties]
よくある間違い：
Learners may confuse this with 'acceptance'. 'Assumption' here emphasizes the start of holding a role, while 'acceptance' focuses on agreeing to take it.
類義語
acceptance (Focuses more on agreeing to take something rather than actively beginning it.)
|
undertaking (Emphasizes agreeing to do or take responsibility for something.)
対義語
relinquishment (The act of giving up power or responsibility.)
|
abdication (Formally giving up a position of power or duty.)
コロケーション
assumption of responsibility
|assumption of office
|assumption of power
テーマ
business
|politics
|work
例文
- His assumption of office was marked by a formal ceremony.
- The assumption of responsibility came sooner than expected.
- The general's assumption of command changed the course of the battle.
学習者向け例文
- Her assumption of the job surprised many people.
- The president’s assumption of power happened last year.
- His assumption of duty was quick and smooth.
名詞
literary
C2
action
3
seizing without right
Taking something when you do not have the right to do so.
類義語
usurpation (Strongly implies wrongful or illegal seizure of power or rights.)
対義語
permission (Having consent to take or use something.)
コロケーション
assumption of rights
|assumption of authority
テーマ
law
|ethics
|core_vocabulary
例文
- Their assumption of authority angered the committee.
- He was accused of the unlawful assumption of property rights.
- Such an assumption of power cannot be tolerated.
学習者向け例文
- His assumption of the land was wrong.
- The assumption of power was against the law.
- Their assumption of control upset many people.
文法
辞書形
assumption
IPA
GB/əsˈʌmpʃən/
US/əsˈʌmpʃən/
音節・強勢
as - sump - tion （3音節）
Stress on 2nd syllable (sump)
活用形
Noun
- Base: assumption
- Plural: assumption, assumptions
関連語
Forms
assumptions
noun
Core family
assume
verb B1
Related words
presumption
noun C1
presume
verb B2
Negative and opposite forms
unassuming
adjective
Advanced or less common
assumptive
adjective
表現
a false assumption
1/ə fˈɔls əsˈʌmpʃən/
fixed phrase
wrong belief without proof
A belief that is not correct, but is accepted as true.
例文
- It’s a false assumption that all rich people are happy.
- Their plan failed because it was based on a false assumption.
make an assumption
1/mˈeɪk ən əsˈʌmpʃən/
fixed phrase
form belief without proof
To decide in your mind that something is true, without proof.
例文
- Don’t make an assumption about her intentions before asking.
- I made an assumption that he would help me.
on the assumption that
1/ˈɔn ðə əsˈʌmpʃən ðˈæt/
fixed phrase
believing something without proof
Believing something is true and acting because of that belief.
例文
- We started early on the assumption that traffic would be heavy.
- They invited extra guests on the assumption that some would not come.