| break(noun, producing, creating, drilling, extracting) |
| burdensome(adjective, dull, tired, tedious, irritating) |
| common(adjective, ordinary, dull, flat, dry) |
| dismal(adjective, dull, flat, gloomy, miserable) |
| fissure(noun, producing, creating, drilling, extracting) |
| gap(noun, producing, creating, drilling, extracting) |
| normal(adjective, feeling, boredom) |
| nothing(adjective, dreary, dull, tedious, lifeless) |
| opening(noun, producing, creating, drilling, extracting) |
| outlet(noun, producing, creating, drilling, extracting) |
| rent(noun, producing, creating, drilling, extracting) |
| split(noun, producing, creating, drilling, extracting) |
| tear(noun, producing, creating, drilling, extracting) |
| vent(noun, producing, creating, drilling, extracting) |
| lacklustre(adjective, feeling, boredom, british) |
| characterless(adjective, dull, feeling, dreary, colorless) |
| deadly(adjective, informal, boredom, dull, dry) |
| interminable(adjective, feeling, tedious, dreary, drab) |
| long-winded(adjective, dull, tedious, endless, rambling) |
| nowhere(adjective, dull, tedious, dreary, irritating) |