| A | B |
| malevolent | wishing evil or harm to another or others |
| malicious | showing malice; malevolent; spiteful |
| malevolence | ill will; malice; hatred |
| malignant | very dangerous or harmful; tending to produce death |
| malapropism | misusing words ridiculously |
| malpractice | negligent practice; misconduct or misuse |
| malign | speak evil of |
| malinger | to pretend illness to avoid work |
| malediction | A curse |
| malefactor | A criminal; a villain |
| Malice | A desire to do evil |
| malfeasance | wrongdoing or misconduct by a public official |
| malodorous | unpleasant or offensive odor; smelling bad |
| malaria | An infectious disease transmitted to humans by the bite of an infected mosquito |
| malady | A disease, a disorder, or an ailment |
| maladroit | unskillful; awkward; bungling; tactless |
| malaise | a condition of general bodily weakness or discomfort; feeling of mental uneasiness, lethargy, or discomfort |
| malnutrition | lack of proper nutrition; inadequate or unbalanced nutrition |