| familiar |
| familiar tune(expression, dull, flat, silly, commonplace) |
| fatiguing |
| fusty |
| garden-variety(adjective, dull, boring, routine, tedious) |
| irksome |
| jejune(dull, flat, silly, boring, commonplace) |
| lifeless(adjective, dull, flat, stupid, boring) |
| mildewed(dull, flat, silly, commonplace, stale) |
| monotone(adjective, dull, boring, routine, tedious) |
| noplace(adjective, stupid, ordinary, commonplace, bland) |
| pabulum(adjective, dull, stupid, ordinary, boring) |
| plodding(adjective, dull, boring, routine, tedious) |
| prosy(adjective, dull, boring, routine, tedious) |
| ready-made(dull, flat, silly, commonplace, stale) |
| repetitious(adjective, dull, stupid, boring, routine) |
| run-of-the-mill(dull, flat, silly, commonplace, stale) |
| stupid(adjective, dull, ordinary, boring, tedious) |
| toneless(adjective, dull, boring, routine, tedious) |
| treadmill(adjective, dull, boring, routine, tedious) |