| dull(adjective, set, weak, simple, tough) |
| boring(adjective, dull, weak, simple, flat) |
| commonplace(adjective, dull, set, mean, simple) |
| tedious(adjective, dull, weak, simple, flat) |
| humdrum(adjective, dull, weak, simple, moderate) |
| ordinary(adjective, dull, set, mean, simple) |
| uninteresting(adjective, dull, weak, flat, common) |
| monotonous(adjective, dull, weak, simple, flat) |
| dry(adjective, dull, simple, tough, flat) |
| pedestrian(noun, adjective, dull, flat, excite) |
| flat(adjective, dull, set, weak, simple) |
| run-of-the-mill(adjective, dull, set, moderate, flat) |
| tiresome(adjective, dull, flat, stupid, ordinary) |
| insipid(adjective, dull, weak, flat, stupid) |
| routine(adjective, dull, set, weak, simple) |
| unimaginative(adjective, dull, simple, tough, flat) |
| common(adjective, dull, set, mean, simple) |
| lifeless(adjective, dull, weak, simple, tough) |
| unexceptional(adjective, simple, plain, common, ordinary) |
| everyday(adjective, dull, mean, simple, poor) |