英語

preventive

gb/pɹɪvˈɛntɪv/ us/pɹɪvˈɛntɪv/
B2 英語
~ 5800
語義
0件の語義
adjective B2 property
1

intended to stop something bad

Done before something bad happens, in order to stop it from happening.

用法パターン: preventive [action/measure/care/treatment]
よくある間違い:
Learners often confuse "preventive" with the noun "prevention" and say *"a preventive of crime"* instead of "a preventive measure against crime." They also sometimes spell it only as *"preventative"*; both are correct, but "preventive" is slightly more common in modern writing.
類義語
preventative (Variant spelling with the same meaning; slightly less common in some regions.) | precautionary (Stresses being careful in advance; often used for steps taken just in case.)
対義語
reactive (Describes actions taken only after a problem has already happened.)
コロケーション
preventive measures |preventive care |preventive medicine |preventive action |preventive detention |preventive maintenance
テーマ
health |safety |law |core_vocabulary
例文
  • The government announced new preventive measures to slow the spread of the virus.
  • Regular exercise and a healthy diet are important forms of preventive care.
  • The company invested in preventive maintenance to avoid costly breakdowns.
  • She supports preventive programs that reduce youth violence before it starts.
  • Some lawyers argue that preventive detention is open to abuse.
学習者向け例文
  • Doctors say preventive care can save lives.
  • We took preventive steps to stop the fire from spreading.
  • The school uses preventive programs to stop bullying.
  • Good sleep is a simple preventive measure for many health problems.
  • The city did preventive work on the bridge to keep it safe.
名詞 technical C1 entity
2

thing used to prevent harm

Something you use or do so that a disease, pregnancy, or other problem does not happen.

用法パターン: use/take/develop [a preventive] against [something]
よくある間違い:
Learners often do not recognize "preventive" as a noun and try to say *"a prevention"* where a countable noun is needed. In medical English, however, "preventive" (or "prophylactic") is the natural countable form, as in "a preventive against malaria."
類義語
prophylactic (More technical; common in medical and scientific contexts.) | precaution (Broader and more general; not limited to medical use.)
対義語
cure (A treatment used after an illness has developed, rather than something used to stop it from starting.)
コロケーション
take a preventive |use a preventive |effective preventive against |develop new preventives
テーマ
health |medicine |core_vocabulary
例文
  • Researchers are working on a new preventive that could protect children from malaria.
  • Doctors hope the vaccine will act as a long‑term preventive against the disease.
  • Until a reliable preventive is found, public health officials are focusing on early testing.
  • This cream is marketed as a preventive for sun damage and early skin aging.
  • The clinic offers several preventives, including vaccines and counseling.
学習者向け例文
  • The doctor gave me a preventive for the flu.
  • Scientists want to make a strong preventive for this virus.
  • We need a cheap preventive that everyone can use.
  • This pill is used as a preventive against infection.
  • They hope the new drug will be a good preventive for the disease.
文法
辞書形
preventive
IPA
GB/pɹɪvˈɛntɪv/
US/pɹɪvˈɛntɪv/
音節・強勢
pre - vent - ive (3音節)
Stress on 2nd syllable (vent)
活用形
Adjective
  • Base: preventive
Noun
  • Base: preventive
  • Plural: preventives
関連語
Forms
preventives noun
Core family
prevent verb B1 prevention noun B1 preventable adjective
Related words
preventative adjective preventively adverb
Negative and opposite forms
unpreventable adjective
表現

preventive action

1
/pɹɪvˈɛntɪv ˈækʃən/
fixed phrase

early action to stop problems

Action that is taken early, before a problem grows, to stop it from getting worse or from starting.

例文
  • The agency took preventive action when it saw signs of a financial crisis.
  • Preventive action is often cheaper than dealing with disasters afterward.
  • They called for preventive action to stop the conflict from spreading.

preventive care

1
/pɹɪvˈɛntɪv kˈɛɹ/
fixed phrase technical

health care to avoid illness

Health care, like check‑ups and tests, that you get when you are not sick, to help you stay healthy.

例文
  • Her health insurance fully covers preventive care, including annual check‑ups.
  • Preventive care can catch serious diseases at an early, treatable stage.
  • Many people skip preventive care because they feel healthy at the moment.

preventive detention

1
/pɹɪvˈɛntɪv dɪtˈɛnʃən/
fixed phrase formal

custody to prevent future crime

When the government keeps someone in prison not because of a trial result, but to stop possible future danger or crime.

例文
  • Human rights groups criticized the use of preventive detention without trial.
  • The new law allows preventive detention in cases of suspected terrorism.
  • Preventive detention remains a highly controversial legal tool.

preventive measures

1
/pɹɪvˈɛntɪv mˈɛʒɚz/
fixed phrase

steps taken to prevent harm

Actions that people take before something bad happens, in order to stop it from happening.

例文
  • After the flood, the town introduced new preventive measures to protect homes.
  • Schools are adding preventive measures to reduce bullying in the classroom.
  • The company failed to put basic preventive measures in place before the attack.

preventive medicine

1
/pɹɪvˈɛntɪv mˈɛdɪsən/
fixed phrase technical

medical field to prevent disease

A part of medicine that studies how to stop people from getting sick, instead of only treating them after they get sick.

例文
  • She decided to specialize in preventive medicine rather than surgery.
  • Public health campaigns are a key part of preventive medicine.
  • The conference focused on new research in preventive medicine.

preventive program

1
/pɹɪvˈɛntɪv pɹˈoʊɡɹˌæm/
fixed phrase

program to stop problems early

A planned set of actions or activities that tries to stop health, social, or other problems before they start.

例文
  • The city runs a preventive program to support at‑risk youth.
  • Funding for preventive programs is often cut first.
  • Schools are adding preventive programs to reduce drug use.

preventive services

1
/pɹɪvˈɛntɪv sˈɚvɪsɪz/
fixed phrase technical

services focused on prevention

Health or social care services, such as screenings or counseling, that try to stop problems before they happen.

例文
  • Many insurance plans cover preventive services without extra cost.
  • The clinic expanded its preventive services in low‑income areas.
  • Access to preventive services can reduce long‑term health costs.

preventive strategy

1
/pɹɪvˈɛntɪv stɹˈætəd͡ʒi/
fixed phrase

plan designed to prevent problems

A general plan that focuses on stopping problems or risks before they appear.

例文
  • The company adopted a preventive strategy to manage cybersecurity risks.
  • Public health experts called for a preventive strategy instead of short‑term fixes.
  • A strong preventive strategy can save money and lives over time.

preventive strike

1
/pɹɪvˈɛntɪv stɹˈaɪk/
fixed phrase formal

attack to prevent future attack

A military attack started first, because a country believes another country may attack it in the future.

例文
  • Leaders debated whether a preventive strike was morally justified.
  • The general warned that a preventive strike could start a regional war.
  • Critics argued that a preventive strike would break international law.

preventive treatment

1
/pɹɪvˈɛntɪv tɹˈitmənt/
fixed phrase technical

treatment given to stop illness

Medicine or medical care that you get before you are sick, to stop a disease from starting.

例文
  • Travelers to the region are advised to take preventive treatment for malaria.
  • The dentist offered a preventive treatment to strengthen the enamel.
  • Preventive treatment is especially important for high‑risk patients.

preventive war

1
/pɹɪvˈɛntɪv wˈɔɹ/
fixed phrase formal

war to stop future threat

A war that one country starts to stop another country from becoming a danger later, not because of an attack that has already happened.

例文
  • Historians still argue about whether the conflict was a preventive war.
  • Many people see preventive war as both risky and unethical.
  • The doctrine of preventive war changed the country's foreign policy.

preventive maintenance

1
/pɹɪvˈɛntɪv mˈeɪntənəns/
fixed phrase technical

regular upkeep to avoid failure

Regular checks and small repairs done on machines or buildings so they do not suddenly break.

例文
  • Preventive maintenance helps extend the life of machinery.
  • Good preventive maintenance can greatly extend the life of your car.
  • The airline invests heavily in preventive maintenance of its fleet.
  • The factory shut down for a day of preventive maintenance on its machines.
  • Preventive maintenance is cheaper than fixing a major breakdown.

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