| soporific(adjective, dull, flat, stupid, ordinary) |
| stale(adjective, dull, mean, weak, simple) |
| blah(adjective, dull, weak, simple, flat) |
| dead(adjective, dull, weak, simple, flat) |
| ho hum(expression, adjective, dull, bad, weak) |
| lackluster(adjective, dull, simple, flat, clean) |
| ordinary(adjective, dull, simple, flat, plain) |
| plain(adjective, dull, simple, tough, flat) |
| stupid(adjective, dull, flat, ordinary) |
| tame(adjective, dull, simple, flat, plain) |
| trite(adjective, dull, mean, simple, flat) |
| unexciting(adjective, dull, boring, routine) |
| uninspiring(adjective, dull, bad, simple, flat) |
| abused(adjective, flat, stupid, ordinary) |
| archaic(adjective, flat, stupid, ordinary) |
| big yawn(expression, adjective, dull, flat, stupid) |
| dismal(adjective, dull, flat, stupid, ordinary) |
| driveling(adjective, dull, flat, stupid, ordinary) |
| familiar(adjective, flat, stupid, ordinary) |
| hackneyed(adjective, mean, simple, flat, poor) |