英语否定前缀高频单词汇总
整理高频否定前缀+对应单词，附简单例句，方便背诵和应用，适配高考及日常英语积累，排版清晰，可直接收藏背诵～
一、im- 前缀（后接 p/m）
polite — impolite（有礼貌的—无礼的）
👉 例句：It is impolite to interrupt others when they are talking.
possible — impossible（可能的—不可能的）
👉 例句：It is impossible for us to finish the work in just one hour.
patient — impatient（耐心的—急躁的）
👉 例句：He got impatient when he had to wait for more than two hours.
perfect — imperfect（完美的—不完美的）
👉 例句：No one is perfect, everyone has some imperfect parts.
proper — improper（恰当的—不恰当的）
👉 例句：Your improper words hurt her feelings deeply.
pure — impure（纯净的—不纯的）
👉 例句：The impure water can cause many health problems.
moral — immoral（道德的—不道德的）
👉 例句：It is immoral to cheat in the exam.
mature — immature（成熟的—不成熟的）
👉 例句：He is only 16, he is still a little immature.
modest — immodest（谦虚的—傲慢的）
👉 例句：He is so immodest that he always shows off his achievements.
mortal — immortal（必死的—不朽的；凡人—神仙）
👉 例句：This great writer left many immortal works to the world.
二、in- 前缀（后接非 p/m/l/r）
visible — invisible（可见的—不可见的）
👉 例句：The bacteria are invisible to our naked eyes.
audible — inaudible（可听见的—听不见的）
👉 例句：Her voice was so low that it was inaudible to the people at the back.
direct — indirect（直接的—间接的）
👉 例句：We got the news through an indirect way.
dependent — independent（依赖的—独立的）
👉 例句：She wants to be independent and live on her own.
formal — informal（正式的—非正式的）
👉 例句：This is an informal meeting, you can wear casual clothes.
finite — infinite（有限的—无限的）
👉 例句：The universe is infinite, we can never explore it all.
active — inactive（积极的—消极的；活跃的—不活跃的）
👉 例句：He has been inactive since he lost his job.
accurate — inaccurate（准确的—不准确的）
👉 例句：The report is inaccurate, it has many wrong data.
adequate — inadequate（足够的—不足的）
👉 例句：The food is inadequate for so many people.
convenient — inconvenient（方便的—不方便的）
👉 例句：It is inconvenient for me to pick you up at that time.
correct — incorrect（正确的—错误的）
👉 例句：Your answer to this question is incorrect.
human — inhuman（有人情味的—冷酷的；人类的—非人的）
👉 例句：The prisoners suffered from inhuman treatment in that prison.
credible — incredible（可信的—难以置信的）
👉 例句：It is incredible that he finished the marathon in just 2 hours.
definite — indefinite（明确的—模糊的；确定的—不确定的）
👉 例句：We have an indefinite plan for the next trip.
expensive — inexpensive（昂贵的—便宜的）
👉 例句：This shirt is inexpensive but of good quality.
三、il- 前缀（后接 l）
legal — illegal（合法的—非法的）
👉 例句：It is illegal to drive after drinking alcohol.
logical — illogical（合乎逻辑的—不合逻辑的）
👉 例句：Your argument is illogical, it doesn't make sense.
literate — illiterate（有文化的—文盲的）
👉 例句：Many people in that poor area are illiterate.
legible — illegible（清晰的—难以辨认的）
👉 例句：His handwriting is so bad that it is illegible.
liberal — illiberal（开明的—狭隘的；自由的—不自由的）
👉 例句：He has an illiberal attitude towards different opinions.
四、ir- 前缀（后接 r）
regular — irregular（规则的—不规则的；定期的—不定期的）
👉 例句：He has irregular working hours, so he is very busy sometimes.
responsible — irresponsible（负责任的—不负责任的）
👉 例句：It is irresponsible of you to leave the children alone at home.
resistible — irresistible（可抗拒的—无法抗拒的）
👉 例句：The chocolate cake is so delicious that it is irresistible.
rational — irrational（理性的—非理性的）
👉 例句：He made an irrational decision when he was angry.
relevant — irrelevant（相关的—不相关的）
👉 例句：Your question is irrelevant to the topic we are talking about.
replaceable — irreplaceable（可替代的—不可替代的）
👉 例句：This old photo is irreplaceable to me.
五、dis- 前缀
honest — dishonest（诚实的—不诚实的）
👉 例句：He was dishonest to his parents about his exam results.
loyal — disloyal（忠诚的—不忠的）
👉 例句：He was accused of being disloyal to his country.
like — dislike（喜欢—不喜欢）
👉 例句：I dislike getting up early on weekends.
agree — disagree（同意—不同意）
👉 例句：I disagree with your opinion on this matter.
appear — disappear（出现—消失）
👉 例句：The sun disappeared behind the clouds.
connect — disconnect（连接—断开）
👉 例句：The phone call was disconnected suddenly.
cover — discover（遮盖—发现）
👉 例句：Columbus discovered America in 1492.
trust — distrust（信任—不信任）
👉 例句：I distrust him because he lied to me before.
able — disable（使丧失能力—有能力的）
👉 例句：The accident disabled him from walking.
arm — disarm（武装—解除武装）
👉 例句：The soldiers were ordered to disarm the rebels.
honor — dishonor（尊敬—使蒙羞；荣誉—耻辱）
👉 例句：You have dishonored your family by your bad behavior.
obey — disobey（遵守—违抗）
👉 例句：He was punished because he disobeyed the school rules.
please — displease（使高兴—使不快）
👉 例句：His words displeased his boss very much.
solve — dissolve（解决—溶解；解散）
👉 例句：The sugar will dissolve in the hot water quickly.
六、mal- 前缀
treat — maltreat（对待—虐待）
👉 例句：It is a crime to maltreat children or animals.
function — malfunction（运转—发生故障）
👉 例句：The machine malfunctioned because of the power cut.
nourish — malnourish（滋养—使营养不良）
👉 例句：The poor children in that area are malnourished.
practice — malpractice（做法—渎职；不当行为）
👉 例句：The doctor was accused of medical malpractice.
nutrition — malnutrition（营养—营养不良）
👉 例句：Many children suffer from malnutrition in the poor village.
七、mis- 前缀
administer — misadminister（管理—滥用职权；管理不当）
👉 例句：The official was fired because he misadministered the public funds.
behave — misbehave（表现—行为不端）
👉 例句：The boy was punished because he misbehaved in class.
lead — mislead（带领—误导）
👉 例句：The false advertisement mislead many consumers.
understand — misunderstand（理解—误解）
👉 例句：Don't misunderstand me, I didn't mean to hurt you.
judge — misjudge（判断—误判）
👉 例句：I misjudged his ability, he is much better than I thought.
spell — misspell（拼写—拼错）
👉 例句：He misspelled my name in the email.
take — mistake（拿—误解；弄错）
👉 例句：I mistook him for his brother, they look so similar.
read — misread（阅读—误读）
👉 例句：I misread the date, so I missed the meeting.
write — miswrite（书写—写错）
👉 例句：He miswrote the phone number, so I couldn't reach him.
hear — mishear（听见—听错）
👉 例句：I misheard what you said, could you say it again?
guide — misguide（引导—误导）
👉 例句：The wrong information misguide us to the wrong place.
八、anti- 前缀（表“反/抗”，否定延伸）
war — antiwar（战争—反战的）
👉 例句：Many people joined the antiwar movement to stop the fight.
cancer — anticancer（癌症—抗癌的）
👉 例句：This kind of food has anticancer effects.
virus — antivirus（病毒—抗病毒的）
👉 例句：We need to install antivirus software on the computer.
clockwise — anticlockwise（顺时针的—逆时针的）
👉 例句：Turn the knob anticlockwise to open the bottle.
九、contra- 前缀（表“相反/对立”，否定延伸）
dict — contradict（口述—反驳；与…矛盾）
👉 例句：What you said now contradicts what you told me yesterday.
pose — contrapose（放置—使对立；对照）
👉 例句：We need to contrapose the two plans to see which is better.
dictory — contradictory（矛盾的—矛盾的；对立的）
👉 例句：The two reports are contradictory to each other.
十、un- 前缀
able — unable（能够的—不能的）
👉 例句：I am unable to attend the meeting because I am sick.
happy — unhappy（开心的—不开心的）
👉 例句：She felt unhappy because she failed the exam.
lucky — unlucky（幸运的—不幸的）
👉 例句：He was unlucky to miss the last bus home.
healthy — unhealthy（健康的—不健康的）
👉 例句：Eating too much junk food is unhealthy.
usual — unusual（平常的—不寻常的）
👉 例句：It is unusual for him to be late for work.
friendly — unfriendly（友好的—不友好的）
👉 例句：The waiter was very unfriendly to us.
fair — unfair（公平的—不公平的）
👉 例句：It is unfair to ask me to do all the work alone.
fit — unfit（合适的—不合适的；健康的—不健康的）
👉 例句：He is unfit for this job because he has no experience.
welcome — unwelcome（受欢迎的—不受欢迎的）
👉 例句：His unexpected visit made him unwelcome.
aware — unaware（意识到的—未意识到的）
👉 例句：He was unaware of the danger around him.
certain — uncertain（确定的—不确定的）
👉 例句：I am uncertain about whether I can go there tomorrow.
comfortable — uncomfortable（舒适的—不舒服的）
👉 例句：The chair is so hard that it is uncomfortable to sit on.
conscious — unconscious（有意识的—无意识的）
👉 例句：He was unconscious for three days after the accident.
fold — unfold（折叠—展开）
👉 例句：He unfolded the letter and read it carefully.
lock — unlock（锁上—解锁）
👉 例句：He unlocked the door and let us in.
pack — unpack（打包—拆包）
👉 例句：I need to unpack my luggage after the trip.
tie — untie（系上—解开）
👉 例句：He untied the rope and set the dog free.
load — unload（装载—卸载）
👉 例句：The workers are unloading the goods from the truck.
