| A | B |
| magnitude | greatness of size, strength or importance |
| magnate | an important, powerful person in business |
| maxim | a brief statement that conveys a general truth |
| diminish | to make smaller; lessen |
| miniscule | tiny |
| minute | extremely small; insigificant |
| microscopic | done with attention to small details |
| microcosm | a small model of a larger pattern or place |
| megalopolis | a very large city |
| megalomanic | one who believes him or herself all-powerful or indestructible |