Word · CEFR B2 · Frequency #10399
preventive
预防性的；防止的
Preventing, hindering, or acting as an obstacle to something.
- 1.
Preventing, hindering, or acting as an obstacle to.
预防的,阻止的,或作为障碍的
- 2.
Carried out to deter military aggression.
为阻止军事侵略而进行的
- 3.
Slowing the development of an illness; prophylactic.
预防疾病发展的；预防性的
预防疾病的；防治的；威慑性的；预防性的；预防的,阻止的,或作为障碍的；为阻止军事侵略而进行的；预防疾病发展的；预防性的
In use
Taking vitamins is a good preventive measure against colds.
The company implemented preventive maintenance to avoid equipment failures.
Wearing sunscreen is a preventive step to reduce the risk of skin cancer.
preventive + noun
“preventive” 作定语，修饰名词。
Regular exercise is a preventive measure against heart disease.
定期锻炼是预防心脏病的一项预防措施。
be preventive of + noun
“be preventive of” 为较正式用法。
This vaccine is preventive of the flu.
这种疫苗可预防流感。
Common mistakes
We need to take preventive.
Connections
Collocations
- preventive measures
- 预防措施
- The government introduced preventive measures to stop the spread of the disease.政府采取了预防措施以阻止疾病传播。
- preventive medicine
- 预防医学
- Preventive medicine focuses on keeping people healthy rather than treating illness.预防医学侧重于保持人们健康，而不是治疗疾病。
- preventive care
- 预防保健
- Regular checkups are a form of preventive care.定期体检是预防保健的一种形式。
- preventive maintenance
- 预防性维护
- Preventive maintenance can reduce the risk of machine failure.预防性维护可以降低机器故障的风险。
- preventive strike
- 先发制人的打击
- The military launched a preventive strike against the enemy base.军方对敌方基地发动了先发制人的打击。
Learner notes
Memory Tip
联想疫苗是 preventive medicine（预防医学），提前阻止疾病。prevent（阻止）+ ive 形容词后缀 = 预防性的。
Context & Register
语域：neutral 常见场景：healthcare、military、general prevention preventive 属于中性偏正式的用词，通常出现在医疗、军事或书面说明中；日常口语较少使用，但没有明显褒贬色彩。
Grammar Note
常与against连用，表示‘预防…的’；也可后接名词构成复合形容词如preventive measure。
Pronunciation & Spelling
真正押韵的词：inventive /ɪnˈvɛntɪv/、incentive /ɪnˈsɛntɪv/、attentive /əˈtɛntɪv/，重读元音及之后都是 /-ɛntɪv/。拼写相似的 negative /ˈnɛɡətɪv/、positive /ˈpɒzətɪv/、receptive /rɪˈsɛptɪv/ 虽也以 -tive 结尾，但发音不同，不押韵，注意不要按拼写类推。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.