| Term | Definition |
| extra | on the outside |
| extraneous | [adj]coming from outside; foreign |
| extraterrestrial | [adj] outside or originating outside the limits of the earth's atmosphere |
| extrovert | [noun] a person chiefly interested in things outside the self, directing thoughts outward rather inward. |
| medius | middle |
| mediate | [verb] to act as negotiator between opposing sides in a dispute |
| mediocrity | [noun]the condition of being commonplace or ordinary, somewhere in the middle between high and low; a very ordinary person |
| medium | [noun] a substance or element through which something is transmitted |
| sequor,sequi,secutum | to follow |
| non sequitur | [noun]a statement that does not follow logically from evidence |
| obsequious | [adj] excessively willing to yield to others |
| subsequent | [adj] coming after or later |
| sequester | [verb] to go into hiding; to seek solitude |