| lowly(adjective, dull, simple, clean, plain) |
| nondescript |
| trite(adjective, simple, plain, common, ordinary) |
| uneventful(adjective, simple, clean, plain, common) |
| uninteresting |
| wonted(adjective, common, ordinary, natural, usual) |
| bland |
| casual(adjective, simple, ordinary, familiar, natural) |
| characterless(adjective, plain, common, ordinary, usual) |
| cut-and-dried(adjective, normal, constant, customary, typical) |
| diligent(adjective, activity, regular, serious, practical) |
| expected(adjective, common, natural, normal, constant) |
| frequent(adjective, simple, common, ordinary, familiar) |
| general(adjective, simple, common, ordinary, natural) |
| household(adjective, simple, plain, common, usual) |
| industrious(adjective, activity, regular, serious, practical) |
| intent(adjective, activity, regular, serious, practical) |
| jejune |
| matter-of-fact(adjective, simple, reasonable, sensible, plain) |
| modest(adjective, mean, simple, plain, pure) |