| A | B |
| dismal | depressing; causing gloom or misery |
| malady | bad health |
| malaria | a disease usually spread by infected mosquitoes |
| malefactor | a person who does bad things |
| malevolent | a word that describes a person or character who wishes bad things would happen to others |
| malfeasance | wrongdoing or bad conduct by a public official |
| malice | mischief |
| malignant | harmful |
| malnourished | having bad health or having poor nutrition |
| malodorous | stinky |