| jejune(adjective, dull, flat, stupid, ordinary) |
| prosy(adjective, dull, simple, tough, flat) |
| stock(adjective, dull, flat, common, stupid) |
| stupid(adjective, dull, flat, ordinary) |
| plain(adjective, dull, simple, tough, flat) |
| run-of-the-mill(adjective, dull, flat, common, stupid) |
| stale(adjective, dull, simple, flat, plain) |
| usual(adjective, dull, flat, common, stupid) |
| arid(adjective, dull, flat, excite, stupid) |
| lackluster(adjective, dull, simple, excite, plain) |
| monotonous(adjective, dull, simple, flat, plain) |
| blah(adjective, dull, simple, flat, plain) |
| colorless(adjective, dull, simple, flat, excite) |
| dead(adjective, dull, simple, flat, plain) |
| dreary(adjective, dull, flat, stupid, ordinary) |
| unexciting(adjective, dull, heavy, indifferent, ordinary) |
| uninspiring(adjective, dull, simple, flat, plain) |
| familiar(adjective, dull, flat, common, stupid) |
| ho hum(expression, adjective, dull, flat, stupid) |
| pointless(adjective, dull, flat, stupid, ordinary) |