| uncommon |
| acceptable(adjective, reasonable, decent, mediocre, adequate) |
| accepted(adjective, simple, usual, regular, normal) |
| adequate(adjective, reasonable, sensible, fair, restrained) |
| bizarre |
| casual(adjective, simple, easy, lower, plain) |
| common-or-garden variety |
| constant(adjective, usual, regular, normal, customary) |
| curious |
| cut-and-dried(adjective, good, dull, mean, usual) |
| decent(good, dull, reasonable, proper, inferior) |
| drab(adjective, dull, simple, plain, common) |
| extraordinary |
| good(adjective, usual, decent, upright, imperfection) |
| ignoble(adjective, lowly, unworthy) |
| inconspicuous(adjective, quiet, simple, plain, relaxed) |
| low(adjective, mean, simple, lower, gentle) |
| matter-of-fact(adjective, dull, simple, plain, common) |
| medial(adjective, standard, average, middle, middling) |
| middle(adjective, standard, average, middling) |