| pedestrian(adjective, dull, simple, plain, ordinary) |
| repetitious(adjective, dull, flat, stupid, ordinary) |
| run-of-the-mill(adjective, dull, flat, ordinary, familiar) |
| slow(adjective, dull, quiet, flat, boring) |
| arid(adjective, dull, flat, stupid, ordinary) |
| drab(adjective, dull, weak, simple, plain) |
| monotonic |
| mundane(adjective, boring, dull, stupid, tedious) |
| regular(adjective, quiet, soft, gentle, flat) |
| stale(adjective, dull, weak, simple, flat) |
| endless(adjective, dull, boring, persistent, tedious) |
| everyday(adjective, dull, simple, plain, ordinary) |
| incessant(adjective, regular, normal, persistent, constant) |
| steady(adjective, calm, quiet, soft, reasonable) |
| stupid(adjective, dull, flat, ordinary, dry) |
| unbroken(adjective, quiet, soft, gentle, flat) |
| unending(adjective, persistent, constant, continuous, endless) |
| uneventful(adjective, dull, quiet, simple, soft) |
| uninspired(adjective, dull, heavy, ordinary, mediocre) |
| ceaseless(adjective, dull, boring, persistent, constant) |