Mal is a Greek and Latin root and it means bad and evil.
Malign- It is verb and the definition for this vocabulary is to speak harmful untruths about or to speak evil (slander). It can be an adjective too, and it means evil or injurious in effect.
Some people malignedPresident Obama by telling the lies about his religion and his beliefs.
Bill Clinton is a very malignant man because he did lie about his affair until he admitted that he did had an affair.
Malevolent- It is an adjective and the definition for this word is wishing evil or harm to others; showing ill will.
The terrorists who crashed into New York’s building were malevolent because they killed thousands of people in New York on 9/11.
Saddam Hussein was a malevolent person who killed many of his people in his own country.
Malediction- It is noun and the definition of this vocabulary is a curse or slanderous statement.
The malediction that the Senator gave yesterday about the terrorists made the headline news.
I know an old gypsy lady will give you a malediction for your enemy for fifteen dollars.
Malice- It is noun and the definition for this word is desire to inflict injury, harm, or suffering; meanness; evil intent.
The Devil has malice for the angels, God and people who believe in God or Gods.
Some people have malice for their enemies because they cannot stand them.
Malicious- It is an adjective and the definition for this vocabulary is characterized by or showing malice.
This girl spread malicious gossip about her ex-boyfriend who dumped her for her sister.
On the television show Law and Order last night, the murderer showed malicious contempt for his victims by mutilating their bodies.
Malfeasance- It is noun and the definition of this word is the performance by a public official of an act that is legally unjustified, harmful, or contrary to law; wrongdoing (use esp. of an act in violation of a public trust).
O.J. Simpson was accused of malfeasance because he was guilty of robbing banks.
John is not official malfeasance, he is suspended from his job and they are investigating him right now.
Malfunction- It is a verb and the definition for this word is failure to function properly.
My new laptop is malfunctioning because the Internet is never working.
You should never buy a Dell desktop computer because they always malfunction and it seems like they never work right.
Malcontent- It is adjective and the definition for this vocabulary is not satisfied or content with currently prevailing condition or circumstances.
My boss is a malcontent. He is never satisfied with me because I do not listen to his directions for making hamburgers at Wendy’s.
Just because I am disappointed about not doing well on my calculus test does not make me a malcontent.