| draggy(adjective, dull, weak, flat, dead) |
| dusty |
| earthbound(adjective, dull, excite) |
| faint(adjective, dull, light, weak, soft) |
| flavorless(adjective, dull, weak, excite, thin) |
| garden-variety(adjective, simple, clean, plain, ordinary) |
| haggard(adjective, dull, light, soft, poor) |
| heavy(adjective, dull, flat, ordinary, dry) |
| ho hum(expression, adjective, dull, weak, flat) |
| impersonal(adjective, cold, unfriendly) |
| inane(adjective, dull, weak, boring, dead) |
| indistinctive(adjective, strong, neutral) |
| languid(weak, feeble, lackluster, feebleness) |
| leaden(adjective, dull, soft, obscure, flat) |
| milk-and-water |
| muddy(dull, soft, flat, dark, cold) |
| normal |
| nothing(adjective, dull, simple, flat, clean) |
| obscure(adjective, dull, soft, flat, dark) |
| ordinary(adjective, dull, simple, flat, plain) |