| banal |
| deadening |
| drab(adjective, dull, stupid, boring, routine) |
| exhausting(adjective, dull, hard, severe, harsh) |
| heavy(adjective, dull, tough, flat, difficult) |
| mundane(adjective, dull, flat, stupid, boring) |
| pedestrian(adjective, dull, boring, routine, tedious) |
| run-of-the-mill(adjective, flat, stupid, ordinary, dry) |
| tame(adjective, dull, flat, stupid, ordinary) |
| tired(adjective, dull, flat, stupid, ordinary) |
| trite(adjective, dull, simple, flat, stupid) |
| uninspired |
| burdensome(adjective, hard, severe, heavy, irritating) |
| difficult(adjective, hard, tough, severe, heavy) |
| exasperating |
| prolix(adjective, flat, stupid, ordinary, dry) |
| prosy(adjective, dull, flat, stupid, ordinary) |
| stodgy(adjective, dull, flat, stupid, dead) |
| stupid(adjective, dull, flat, ordinary, dry) |
| uninspiring(adjective, dull, flat, stupid, ordinary) |