malignant
gb/məlˈɪɡnənt/ us/məlˈɪɡnənt/
C1
英語
~ 8400
語義
0件の語義
adjective
technical
C1
property
1
cancerous and able to spread
Describes a cancer or tumor that is dangerous because it grows quickly and can spread to other parts of the body.
用法パターン：
malignant [tumor/cancer/growth/cell]
よくある間違い：
Learners often confuse 'malignant' with 'benign'. 'Malignant' means the tumor is dangerous and can spread, while 'benign' means it is not cancerous and usually not life-threatening. Another mistake is using 'malignant' before people in a medical context; in medicine, it typically describes tumors, cells, or diseases, not patients.
類義語
cancerous (More general medical term; focuses on the presence of cancer, while 'malignant' highlights the dangerous, invasive nature.)
対義語
benign (Used for tumors or growths that are not cancerous and do not spread, so they are usually much less dangerous.)
コロケーション
malignant tumor
|malignant cancer
|malignant cells
|malignant growth
|malignant melanoma
|malignant lymphoma
テーマ
medicine
|health
|science
例文
- The biopsy confirmed that the lump was malignant and required immediate treatment.
- Doctors discovered a malignant tumor in her lung during a routine scan.
- Malignant cells were found in several nearby lymph nodes.
- Early surgery can improve survival rates for patients with malignant melanoma.
- The scan showed no signs of malignant growth after chemotherapy.
学習者向け例文
- The doctor told him that the tumor was malignant.
- They removed a malignant growth from her breast.
- Tests showed that no malignant cells were left in his body.
- A malignant tumor can spread to other organs.
- She was scared when she heard the word malignant in her test results.
adjective
C1
property
2
deeply evil or harmful
Very bad and cruel, with a strong wish to hurt or damage people.
用法パターン：
malignant [attitude/hatred/influence/character]
よくある間違い：
Learners sometimes assume 'malignant' can be used for any kind of 'bad' thing, like 'a malignant test' or 'a malignant day'. It is normally used for very serious evil or harm, especially for people’s character, intentions, or powerful harmful forces. Also, 'malignant' is stronger and more formal than simply 'mean' or 'bad'.
類義語
malevolent (Very close in meaning; slightly more formal and often used in literary or descriptive contexts.)
対義語
benevolent (Describes someone who wants to do good and help others, the opposite of a malignant, harmful nature.)
コロケーション
malignant hatred
|malignant influence
|malignant spirit
|malignant force
|malignant character
|malignant narcissist
テーマ
emotions
|character
|society
|relationships
例文
- There was a malignant hatred in his voice that frightened everyone in the room.
- The dictator’s malignant regime left a trail of fear and destruction.
- She felt a malignant joy in seeing others fail, which disturbed her friends.
- Online, a small group of users spread a malignant influence through targeted harassment.
- The story portrays greed as a malignant force that destroys families and communities.
学習者向け例文
- The villain in the film has a malignant heart.
- They tried to stop the malignant influence of the gang in the neighborhood.
- He spoke with a malignant anger that shocked his family.
- The book describes a malignant spirit that hurts people.
- Many people feared the leader’s malignant plans.
adjective
technical
C2
property
3
very severe, life-threatening disease
Describes a very serious illness that gets worse quickly and can cause death if doctors do not treat it fast.
用法パターン：
malignant [condition/disease/hypertension]
よくある間違い：
Learners may think 'malignant' in medical texts always means 'cancer', but it can also describe other very severe, fast-worsening conditions, such as 'malignant hypertension'. In these cases it means extremely serious and life-threatening, not necessarily cancer.
類義語
life-threatening (A more general, less technical term meaning that a condition could cause death.)
対義語
mild (Describes a disease or condition that is not serious and does not usually cause severe harm.)
コロケーション
malignant hypertension
|malignant disease
|malignant course
|malignant clinical course
|malignant form
|malignant progression
テーマ
medicine
|health
|science
例文
- The patient was admitted with malignant hypertension and required urgent intensive care.
- Some infections can take on a malignant course if they are not treated early.
- The doctor warned that this is a malignant form of the disease with a high risk of complications.
- Malignant arrhythmias must be recognized quickly to prevent sudden cardiac death.
- Researchers are working to understand why the illness becomes malignant in certain patients.
学習者向け例文
- He was taken to the hospital with malignant hypertension.
- The doctor said the disease had turned malignant and was now very dangerous.
- In some people, this illness can become malignant and move very fast.
- They are studying why the condition is malignant in younger patients.
- Malignant disease needs strong and fast treatment.
文法
辞書形
malignant
IPA
GB/məlˈɪɡnənt/
US/məlˈɪɡnənt/
音節・強勢
ma - lig - nant （3音節）
Stress on 2nd syllable (lig)
活用形
Adjective
- Base: malignant
関連語
Core family
malignancy
noun
Related words
Negative and opposite forms
benign
adjective B2
nonmalignant
adjective
Advanced or less common
malignantly
adverb
表現
malignant cancer
1/məlˈɪɡnənt kˈænsɚ/
fixed phrase
technical
cancer that can spread
Cancer that is dangerous because it grows into nearby tissue and can move to other parts of the body.
例文
- He was diagnosed with a malignant cancer of the liver.
- The test helps doctors tell the difference between benign and malignant cancer.
malignant melanoma
1/məlˈɪɡnənt mˌɛlənˈoʊmə/
fixed phrase
technical
a serious skin cancer type
A very serious kind of skin cancer that can spread quickly if it is not found early.
例文
- Regular skin checks can help detect malignant melanoma at an early stage.
- He had surgery to remove a malignant melanoma from his back.
malignant narcissist
1/məlˈɪɡnənt nˈɑɹsɪsɪst/
fixed phrase
extremely harmful kind of narcissist
A person who is very selfish and loves only themselves, and also likes to control and hurt other people in a serious way.
例文
- Many experts describe the dictator as a classic malignant narcissist.
- Living with a malignant narcissist can seriously damage a person’s self-esteem.
malignant hypertension
1/məlˈɪɡnənt hˌaɪpɚtˈɛnʃən/
fixed phrase
technical
very severe high blood pressure
A very dangerous kind of high blood pressure that goes up fast and can quickly damage the body.
例文
- Malignant hypertension requires immediate treatment in the hospital.
- Malignant hypertension is a medical emergency that requires immediate treatment.
- Headache and vision changes can be warning signs of malignant hypertension.
- The patient’s headaches and vision changes were caused by malignant hypertension.
malignant tumor
1/məlˈɪɡnənt tˈumɚ/
fixed phrase
technical
a cancerous, spreading tumor
A dangerous tumor that has cancer and can grow into other parts of the body or spread to new places.
例文
- Biopsy results confirmed that the mass was a malignant tumor.
- The scan revealed a malignant tumor on his kidney.
- Treatment for a malignant tumor often includes surgery, chemotherapy, or radiation.
- After surgery, the doctors confirmed that the mass was a malignant tumor.