rider
gb/ɹˈaɪdɚ/ us/ɹˈaɪdɚ/
B1
英語
~ 6800
語義
0件の語義
名詞
B1
entity
1
person on a horse, bike, etc.
A person who is on and using a horse, bike, motorcycle, or similar thing that moves.
用法パターン：
[a/an/the] rider on [a horse/bike/motorcycle]
よくある間違い：
Learners sometimes confuse 'rider' with 'driver'. A 'driver' controls a car or other motor vehicle from inside it, usually using a steering wheel and pedals, while a 'rider' is on a horse, a bike, a motorcycle, or sometimes on top of another vehicle like a scooter.
類義語
cyclist (Used only for someone riding a bicycle; more specific than the general term 'rider'.)
|
motorcyclist (Used only for someone riding a motorcycle; more formal and specific than 'bike rider'.)
対義語
pedestrian (Describes someone who is walking, not riding any animal or vehicle.)
コロケーション
horse rider
|motorcycle rider
|bike rider
|experienced rider
|novice rider
|passenger and rider
テーマ
travel
|sports
|daily_life
|transportation
例文
- Each rider must wear a helmet while on the track.
- The horse threw its rider just a few meters from the finish line.
- As a new rider, she prefers flat, quiet roads for her bike trips.
- The motorcycle rider lost control on the wet curve.
- Only experienced riders are allowed on the advanced trail.
学習者向け例文
- The rider sits on the horse.
- Every bike rider should wear a helmet.
- He is a good rider and can control fast horses.
- Three riders went down the road together.
- I am a new rider, so I go slowly.
名詞
B2
entity
2
person using public transport
A person who rides on a bus, train, subway, or other public transport as a passenger.
用法パターン：
[number] [bus/train/subway] riders
よくある間違い：
Learners often use only 'passenger' and do not realize 'rider' is common in news and public transport reports, especially in North American English. Also, do not say *'bus driver and bus rider' when you mean one person; 'rider' is the passenger, not the driver.
類義語
passenger (General word for someone being carried in a vehicle; not limited to public transport.)
対義語
driver (The person operating the vehicle, not the person being carried.)
コロケーション
bus riders
|train riders
|subway riders
|regular riders
|daily riders
|riders’ complaints
テーマ
travel
|city_life
|transport
|transportation
例文
- The new policy affects more than 200,000 daily bus riders.
- Subway riders faced long delays during the morning rush hour.
- The transit agency surveyed riders about the cleanliness of the trains.
- Weekend riders will notice reduced service on this line.
- Many riders complained about the recent fare increase.
学習者向け例文
- Many riders stand on the bus.
- The train is full of riders in the morning.
- Riders must pay before they get on the subway.
- The city asks riders to wear masks.
- There are fewer riders on Sundays.
名詞
technical
C1
entity
3
extra clause in contract or policy
An extra part added to a legal paper, like a contract or insurance policy, that changes or adds rules.
用法パターン：
a rider to [a contract/policy/agreement]
よくある間違い：
Learners sometimes think 'rider' here means a person. In legal and insurance language, a 'rider' is a piece of writing, not a human. It is similar to an 'extra page' or 'extra clause' attached to the main document.
類義語
addendum (More formal; often used in written legal or business English for a separate additional section.)
|
amendment (Emphasizes a change to existing terms, not just an extra attached part.)
対義語
main agreement (Refers to the primary document before anything extra is added.)
コロケーション
add a rider
|attach a rider
|policy rider
|insurance rider
|contract rider
|rider to the agreement
テーマ
law
|business
|finance
例文
- The company added a rider to the contract specifying travel expenses.
- You can purchase a disability rider to extend your life insurance coverage.
- The landlord insisted on a rider that bans pets in the apartment.
- This rider clarifies how bonuses will be calculated.
- The policy rider takes effect immediately after both parties sign.
学習者向け例文
- The lawyer added a rider to the contract.
- This insurance rider costs a little more money.
- We signed the main paper and then a short rider.
- The rider changes the rules about payment.
- She asked the agent to explain the rider again.
名詞
technical
C1
entity
4
extra clause on a bill
An extra rule added to a new law paper in parliament or congress, often on a different topic.
用法パターン：
a rider on/to [a bill]
よくある間違い：
Learners may confuse this political meaning of 'rider' with the everyday sense of a person who rides. In news about laws or politics, 'rider' almost always refers to extra text added to a bill, not to a human.
類義語
amendment (General term for a change to a bill; does not always suggest being unrelated or hidden, unlike many 'riders'.)
対義語
standalone bill (A bill presented without additional attached clauses on other topics.)
コロケーション
add a rider
|attach riders to a bill
|last-minute rider
|spending rider
|controversial rider
|unrelated rider
テーマ
politics
|law
|government
例文
- Lawmakers slipped an environmental rider into the defense spending bill.
- The president threatened to veto the bill because of a controversial rider on abortion.
- Several unrelated riders were attached to the budget bill at the last minute.
- The senator opposed the rider, calling it a backdoor way to change election laws.
- The clean energy provision survived only as a rider on a larger tax package.
学習者向け例文
- They added a rider to the tax bill.
- The rider is about school money, not about taxes.
- Some people hate riders because they hide new rules.
- The bill failed because of one small rider.
- The rider was added late at night in the meeting.
名詞
formal
C1
entity
5
extra condition or qualification
An extra remark that adds a limit or special condition to what was just said.
用法パターン：
with the rider that [clause]
よくある間違い：
Learners may not recognize this more abstract use and think of a person on a bike or horse. In the phrase 'with the rider that...', the word always introduces a limiting condition or extra rule, not a human.
類義語
qualification (Very close in meaning; more common in general formal English for a limiting condition on a statement.)
|
caveat (Formal and slightly legal-sounding; often warns about a limitation or risk.)
対義語
unqualified statement (A statement made with no added limits or conditions.)
コロケーション
with the rider that
|add a rider
|accept with a rider
|agreement with a rider
|promise with a rider
テーマ
communication
|law
|formal_writing
|core_vocabulary
例文
- He agreed to the plan, but with the rider that no one would lose their job.
- The committee offered its support, adding the rider that funding must be reviewed annually.
- She accepted the proposal, with the rider that her team would keep creative control.
- The contract comes with the rider that deadlines may be extended in emergencies.
- They endorsed the policy with a clear rider regarding data privacy.
学習者向け例文
- He said yes, with the rider that we must finish on time.
- She agreed, but there was a rider about cost.
- I can help you, with the rider that you tell the truth.
- They signed the deal with a small rider about safety rules.
- We accept the plan, with the rider that we review it next year.
名詞
technical
C2
entity
6
machine part that rides on another
A small piece in a machine that sits on or moves over another piece to help it work correctly.
用法パターン：
a rider on [a shaft/rail/track]
類義語
follower (Technical term in mechanics for a part that follows the movement of another, similar in function in some contexts.)
コロケーション
cam rider
|stylus rider
|guide rider
|rider on the shaft
|bearing rider
|rider block
テーマ
engineering
|technology
例文
- The cam rider must be lubricated regularly to prevent wear.
- A small metal rider moves along the shaft to keep the belt aligned.
- The engineer replaced the worn rider to reduce vibration.
- This guide rider keeps the tool head in the correct position.
- If the rider fails, the whole mechanism can seize.
学習者向け例文
- The machine has a small rider on the bar.
- The rider moves on the metal track.
- They changed the rider because it was old.
- This rider helps the machine move smoothly.
- The engineer checks the rider every day.
文法
辞書形
rider
IPA
GB/ɹˈaɪdɚ/
US/ɹˈaɪdɚ/
音節・強勢
rider （1音節）
Stress on 1st syllable (rider)
活用形
Noun
- Base: rider
- Plural: riders
関連語
Forms
riders
noun
Core family
ride
verb A1
riding
noun
Related words
ridership
noun
Negative and opposite forms
riderless
adjective
Advanced or less common
rideable
adjective
表現
free rider
1/fɹˈi ɹˈaɪdɚ/
fixed phrase
technical
person who benefits without paying
A person who enjoys a public or shared service but does not pay their part of the cost.
例文
- The health system struggles when too many people act as free riders and refuse to pay insurance premiums.
- Economists warn that the free rider problem can weaken support for public services.
- Some neighbors became free riders, using the private road without helping to maintain it.
freedom rider
2/fɹˈidəm ɹˈaɪdɚ/
fixed phrase
civil rights bus protester
A person in the United States in the 1960s who rode buses into the South to protest laws that separated Black and white people.
例文
- John Lewis was one of the young Freedom Riders who challenged segregation in the American South.
- The museum has a special exhibition about the Freedom Riders and their courage.
- She wrote her thesis on the strategies used by the Freedom Riders during the civil rights movement.
rough rider
3/ɹˈʌf ɹˈaɪdɚ/
fixed phrase
member of US Rough Riders
A member of a special volunteer horse-soldier group from the United States that fought in the Spanish–American War in 1898.
例文
- Theodore Roosevelt became famous as the leader of the Rough Riders in Cuba.
- The book tells the story of the Rough Riders and their charge up San Juan Hill.
- Old photos of the Rough Riders show them in wide-brimmed hats and simple uniforms.