| middle(adjective, mean, middle, central, internal) |
| mean(adjective, average, middle, central, internal) |
| median(adjective, mean, average, middle, central) |
| medium(adjective, mean, average, middle, central) |
| average(adjective, mean, average, middle, central) |
| halfway(adjective, mean, average, middle, inside) |
| intermediate(adjective, mean, middle, central, internal) |
| medial(adjective, mean, middle, central, internal) |
| central(adjective, mean, middle, internal, halfway) |
| equidistant(adjective, mean, middle, inside, central) |
| interior(central, internal) |
| middlemost(mean, middle, inside, central, internal) |
| between(mean, middle, central, internal, halfway) |
| center(mean, middle, central, internal, halfway) |
| centermost(mean, middle, inside, central, internal) |
| inner(mean, middle, inside, central, internal) |
| inside(mean, middle, central, internal, halfway) |
| intervening(mean, middle, central, internal, halfway) |
| mainstream(mean, middle, inside, central, internal) |
| internal |