| A | B |
| median | the middle value in a series of numbers arranged from smallest to largest |
| mediocre | not very good, but not very bad |
| mediate | to work with opposing sides in an argument to bring about a solution |
| Medieval | the Middle Ages; before modern times |
| Media | information sources in the middle of an event and the audience learns about it |
| semiconscious | not completely aware of sensations |
| semiformal | between casual and formal attire |
| equitable | being fair or just |
| equivalent | equal in value |
| adequate | it is good enough |
| semiarid | dry region with little rainfall |
| mediator | a person in the middle of a conflict who helps solve it |
| equinox | a time of equal light and darkness |
| equilibrium | a state of being equally balanced |
| semiprecious | having some value, but not that great |