| pedestrian(adjective, simple, clean, plain, ordinary) |
| platitudinous(adjective, simple, clean, plain, ordinary) |
| plebeian(adjective, simple, clean, plain, ordinary) |
| practicable(adjective, simple, flat, clean, plain) |
| practical(adjective, simple, flat, clean, plain) |
| prose(adjective, simple, clean, plain, ordinary) |
| prosy(adjective, simple, flat, clean, plain) |
| square(adjective, simple, clean, plain, ordinary) |
| stale(adjective, simple, clean, plain, ordinary) |
| tame(adjective, simple, flat, clean, plain) |
| uneventful(adjective, simple, clean, plain, ordinary) |
| unexceptional(adjective, simple, clean, plain, ordinary) |
| uninspiring(adjective, simple, clean, plain, ordinary) |
| vanilla(adjective, simple, clean, plain, ordinary) |
| vapid(adjective, simple, flat, clean, plain) |
| workaday(adjective, simple, flat, clean, plain) |
| yawn(adjective, simple, clean, plain, ordinary) |
| zero(adjective, simple, flat, clean, plain) |
| matter of fact(expression, adjective, idiom, clean, drab) |
| prosaic(adjective, unimaginative) |