| repetitious(adjective, dull, flat, stupid, ordinary) |
| monotonous(adjective, dull, flat, ordinary) |
| dull(adjective, boring, tedious, dreary) |
| boring(adjective, dull, flat, ordinary) |
| humdrum(adjective, dull, flat, ordinary) |
| tedious(adjective, dull, flat, ordinary) |
| routine(adjective, dull, flat, stupid, ordinary) |
| flat(adjective, dull, ordinary, boring) |
| jejune(adjective, flat, stupid, ordinary) |
| hackneyed(adjective, flat, stupid, ordinary) |
| soporific(adjective, dull, flat, stupid, ordinary) |
| trite(adjective, dull, flat, stupid, ordinary) |
| uninteresting(adjective, dull, flat, ordinary) |
| abused(adjective, flat, stupid, ordinary) |
| archaic(adjective, flat, stupid, ordinary) |
| arid(adjective, dull, flat, stupid, ordinary) |
| big yawn(expression, adjective, flat, stupid, ordinary) |
| blah(adjective, dull, flat, ordinary) |
| colorless(adjective, dull, flat, ordinary) |
| common(adjective, flat, stupid, ordinary) |