| routine(adjective, dull, flat, stupid, ordinary) |
| stale(adjective, dull, weak, flat, stupid) |
| stupid(adjective, dull, flat, ordinary, dry) |
| tame(adjective, dull, weak, flat, plain) |
| tedious(adjective, dull, weak, simple, flat) |
| tired(adjective, dull, flat, stupid, ordinary) |
| tiresome(adjective, dull, simple, flat, stupid) |
| trite(adjective, dull, simple, flat, stupid) |
| unexciting(adjective, dull, weak, plain, mild) |
| unimaginative(adjective, dull, flat, stupid, ordinary) |
| uninspiring(adjective, dull, bad, weak, flat) |
| uninteresting(adjective, dull, weak, simple, flat) |
| vapid(adjective, dull, weak, flat, plain) |
| zero(adjective, dull, weak, plain, mild) |
| abused(adjective, flat, stupid, ordinary, dry) |
| archaic(adjective, flat, stupid, ordinary, dry) |
| big yawn(expression, adjective, dull, flat, ordinary) |
| bland(adjective, dull, weak, plain, mild) |
| bomb(adjective, dull, flat, stupid, dead) |
| bummer(dull, bad, stupid, tedious, unvaried) |