underground
gb/ˈʌndɚɡɹˌaʊnd/ us/ˈʌndɚɡɹˌaʊnd/
A2
英語
~ 4300
語義
0件の語義
名詞
A2
entity
1
a subway train network
A system of trains that run in tunnels under a city.
用法パターン：
to take the underground to [a place]
よくある間違い：
Learners may confuse 'underground' (UK English) with 'subway' (US English), which in US can also mean an underground walkway or passage.
類義語
subway (Commonly used in American English for the same concept.)
|
metro (Used in many countries, especially in Europe, for an underground train system.)
対義語
overground train (A train that runs on tracks above the surface.)
コロケーション
take the underground
|underground station
|underground network
|underground map
テーマ
transportation
|city life
|travel
例文
- The underground is the fastest way to get across London.
- She takes the underground to work every morning.
- The city has expanded its underground to reach the suburbs.
- Tourists often find the underground confusing at first.
学習者向け例文
- I go to school by underground.
- The underground is very busy in the morning.
- We took the underground to the museum.
- He works near an underground station.
adjective
B1
property
2
below the earth's surface
Located or happening under the ground.
類義語
subterranean (A more formal or technical word for 'underground'.)
対義語
aboveground (Situated or occurring on or above the earth's surface.)
コロケーション
underground tunnel
|underground parking
|underground cable
テーマ
geography
|construction
|space
|nature
例文
- They built an underground garage for the apartment complex.
- The underground pipes need repair.
- The miners work in underground shafts.
学習者向け例文
- We walked through an underground tunnel.
- There is an underground car park here.
- The shop has an underground storeroom.
名詞
B2
entity
3
secret resistance group
A secret group that works against people in power.
類義語
resistance (Often used for organized opposition during wartime or occupation.)
|
clandestine group (Emphasizes secrecy and hidden operations.)
対義語
official organization (An open, legally recognized group operating under public authority.)
コロケーション
join the underground
|underground movement
|underground network
テーマ
politics
|history
|law
例文
- During the war, he joined the underground to fight the occupation.
- The underground distributed banned newspapers.
- Many members of the underground were arrested by the regime.
学習者向け例文
- She was part of an underground group.
- The underground helped people escape.
- They hid with help from the underground.
adjective
B2
property
4
secret and hidden from public view
Secret and not known by many people, sometimes illegal.
類義語
covert (Focuses on being deliberately concealed.)
|
hidden (General term for not visible or known.)
対義語
mainstream (Openly accepted by the majority of society.)
コロケーション
underground club
|underground art scene
|underground economy
テーマ
culture
|law
|core_vocabulary
例文
- They attended an underground music festival in a warehouse.
- The film became popular through underground screenings.
- There's an underground market for rare books.
学習者向け例文
- He likes underground music.
- They went to an underground party.
- The shop sells underground comics.
文法
辞書形
underground
IPA
GB/ˈʌndɚɡɹˌaʊnd/
US/ˈʌndɚɡɹˌaʊnd/
音節・強勢
un - der - ground （3音節）
Stress on 1st syllable (un)
活用形
Adjective
- Base: underground
Noun
- Base: underground
- Plural: underground, undergrounds
関連語
Forms
undergrounds
noun
Core family
ground
noun A1
Negative and opposite forms
aboveground
adjective
表現
go underground
1/ɡˈoʊ ˈʌndɚɡɹˌaʊnd/
idiom
hide to avoid detection
To hide or work secretly so people cannot find you.
例文
- After the scandal, he went underground to avoid reporters.
- The group went underground after being declared illegal.
underground economy
1/ˈʌndɚɡɹˌaʊnd ɪkˈɑnəmi/
fixed phrase
hidden or illegal economic activity
Business activities that are not reported to the government and are often illegal.
例文
- The government is trying to crack down on the underground economy.
- Many workers in the underground economy are paid in cash.
underground movement
1/ˈʌndɚɡɹˌaʊnd mˈuvmənt/
fixed phrase
secret opposition group or trend
A secret group that works against those in power or against normal ways of doing things.
例文
- The novel was inspired by an underground movement in the 1970s.
- An underground movement is gaining support among young people.