| A | B |
| mal and male | bad or abnormal |
| dismal | depressing or causing bad feelings |
| malady | bad health or illness |
| malaria | bad air or a disease spread by mosquitoes |
| malefactor | a person who does bad things |
| malevolent | a word to describe a person who wishes bad things happen to others |
| malfeasance | wrongdoing or bad conduct by a public official |
| malice | evil intent or bad will |
| malignant | something bad enough to result in serious harm or death as in cancer |
| malnourished | having bad health or poor nutrition |
| malodorous | having a bad smell |