ground
gb/ɡɹˈaʊnd/ us/ɡɹˈaʊnd/
A1
英語
~ 500
語義
0件の語義
名詞
A1
entity
1
solid surface of the earth
The solid land under our feet.
用法パターン：
the [adjective] ground
よくある間違い：
Learners sometimes confuse 'ground' with 'floor'. 'Ground' is outside; 'floor' is inside a building.
類義語
land (Refers to the earth's surface, often in a broader or more general sense.)
対義語
sky (The opposite physical space above the earth's surface.)
コロケーション
on the ground
|level ground
|frozen ground
|soft ground
テーマ
geography
|daily life
|nature
|space
|core_vocabulary
例文
- The children sat on the ground to watch the parade.
- The heavy rain made the ground muddy.
- They found coins buried in the ground.
- The tent was pitched on level ground.
学習者向け例文
- I sat on the ground.
- The ground is wet.
- He stood on the ground.
- We walked on the ground.
名詞
B1
entity
2
reason or justification
A reason for doing or saying something.
用法パターン：
[have/provide] grounds for [something]
よくある間違い：
Learners may forget that 'grounds' in this meaning is usually plural.
類義語
reason (A general explanation for why something is done or believed.)
対義語
pretext (A false or misleading reason given to hide the real one.)
コロケーション
grounds for divorce
|on the grounds that
|reasonable grounds
テーマ
law
|discussion
|core_vocabulary
例文
- The police had no grounds to search his house.
- She resigned on the grounds of ill health.
- There are strong grounds for believing he is innocent.
学習者向け例文
- I have no grounds to say that.
- They had grounds to stop him.
- She left on the grounds of illness.
動詞
B1
action
3
prevent aircraft from flying
To stop a plane from flying.
用法パターン：
to ground [an aircraft/pilot]
類義語
suspend (In aviation, to temporarily stop operations for safety or other reasons.)
対義語
launch (To send an aircraft into flight.)
コロケーション
ground flights
|ground a pilot
テーマ
transportation
|safety
|law
例文
- All flights were grounded due to fog.
- The airline grounded its fleet for safety checks.
- The pilot was grounded after failing a medical test.
学習者向け例文
- Bad weather grounded the plane.
- They grounded all flights today.
- The pilot was grounded for two days.
動詞
informal
A2
action
4
punish by restricting outings
To not let a child go out as punishment.
用法パターン：
to ground [someone] for [a time period]
類義語
confine (To keep someone within limits, though not necessarily as punishment.)
対義語
allow out (To permit someone to go outside freely.)
コロケーション
ground a teenager
|ground someone for a week
テーマ
family
|behavior
|daily_life
|relationships
例文
- Her parents grounded her for a month after she missed curfew.
- He was grounded and couldn't go to the party.
- If you don't finish your homework, you'll be grounded.
学習者向け例文
- My dad grounded me for two days.
- She was grounded last weekend.
- He will be grounded if he is late again.
名詞
technical
B2
entity
5
electrical earth connection
A wire that connects electricity to the earth for safety.
類義語
earth (British English term for electrical grounding.)
対義語
live wire (An electrical wire carrying current, opposite of grounded.)
コロケーション
ground wire
|ground connection
テーマ
technology
|safety
|science
例文
- The appliance must be connected to a proper ground.
- He checked if the outlet had a working ground.
- Grounding protects people from electric shock.
学習者向け例文
- This wire goes to the ground.
- The machine must have a ground.
- Ground stops you from getting shocked.
文法
辞書形
ground
IPA
GB/ɡɹˈaʊnd/
US/ɡɹˈaʊnd/
音節・強勢
ground （1音節）
Stress on 1st syllable (ground)
活用形
Noun
- Base: ground
- Plural: ground, grounds
Verb
- Base: ground
- 3rd Person Singular: grounds
- Present Participle: grounding
- Past: grounded
関連語
Forms
Core family
underground
adjective A2
playground
noun A2
Related words
background
noun A2
Negative and opposite forms
groundless
adjective
Advanced or less common
groundwork
noun
foreground
noun
表現
get off the ground
1/ɡˈɛt ˈɔf ðə ɡɹˈaʊnd/
idiom
start successfully after effort
To begin and start working well.
例文
- The project finally got off the ground after months of delays.
- Her business is just getting off the ground.
lose ground
1/lˈuz ɡɹˈaʊnd/
idiom
lose position or advantage
To fall behind or become less successful.
例文
- Our company is losing ground to competitors.
- He began to lose ground after the injury.
on the grounds that
1/ˈɔn ðə ɡɹˈaʊndz ðˈæt/
fixed phrase
because of a stated reason
Because of the reason that is given.
例文
- He refused on the grounds that it was too risky.
- They were excused on the grounds that they were unwell.
break new ground
1/bɹˈeɪk njˈu ɡɹˈaʊnd/
idiom
do something innovative first time
To do something new and different that no one has done before.
例文
- The research breaks new ground in cancer treatment.
- The scientist broke new ground in cancer research.
- She broke new ground in modern dance.
- Their latest album breaks new ground in jazz music.
gain ground
1/ɡˈeɪn ɡɹˈaʊnd/
idiom
make progress or advance
To move forward or become more successful than before.
例文
- Our team is gaining ground on the competition.
- The new product is gaining ground in the market.
gain ground
2/ɡˈeɪn ɡɹˈaʊnd/
idiom
make progress or advance
To move forward or become more successful.
例文
- The idea is gaining ground among scientists.
- Our team gained ground in the second half.