| tedious(adjective, flat, ordinary, boring) |
| dull(adjective, loose, boring, tedious) |
| repetitious(adjective, flat, stupid, ordinary) |
| tiresome(adjective, flat, stupid, ordinary) |
| boring(adjective, flat, stupid, ordinary) |
| dreary(adjective, flat, stupid, ordinary) |
| humdrum(adjective, flat, ordinary, boring) |
| jejune(adjective, flat, stupid, ordinary) |
| monotonous(adjective, flat, ordinary, boring) |
| blah(adjective, flat, stupid, ordinary) |
| flat(adjective, stupid, ordinary, boring) |
| stale(adjective, flat, ordinary, boring) |
| abused(adjective, flat, stupid, ordinary) |
| archaic(adjective, flat, stupid, ordinary) |
| arid(adjective, flat, stupid, ordinary) |
| big yawn(expression, adjective, flat, stupid, ordinary) |
| colorless(adjective, flat, ordinary, boring) |
| common(adjective, flat, stupid, ordinary) |
| commonplace(adjective, flat, ordinary, boring) |
| dead(adjective, flat, stupid, ordinary) |