| uninspiring(adjective, dull, simple, flat, plain) |
| common(adjective, dull, hard, simple, flat) |
| dismal(adjective, soft, obscure, flat, dark) |
| hackneyed(adjective, dull, hard, simple, flat) |
| mind-numbing(adjective, dull, boring, tedious) |
| out-of-date(adjective, hard, flat, stupid, ordinary) |
| prosy(adjective, dull, weak, simple, flat) |
| stock(adjective, flat, stupid, ordinary) |
| stodgy(adjective, dull, flat, stupid) |
| stuffy(adjective, dull, flat, stupid) |
| abused(adjective, flat, stupid, ordinary) |
| big yawn(expression, adjective, dull, flat, stupid) |
| bomb(adjective, dull, flat, stupid) |
| bummer(adjective, dull, flat, stupid) |
| cloying(adjective, dull, flat, stupid) |
| drag(adjective, dull, flat, stupid) |
| driveling(adjective, dull, flat, stupid, ordinary) |
| drudging(adjective, dull, flat, stupid) |
| familiar(adjective, dull, flat, stupid, ordinary) |
| ho hum(expression, adjective, dull, weak, flat) |