| soporific(adjective, dull, boring, tedious) |
| stale(adjective, dull, boring, tedious) |
| stupid(adjective, dull, boring, tedious) |
| abused(adjective, boring, tedious, monotonous) |
| archaic(adjective, boring, tedious, monotonous) |
| big yawn(expression, adjective, boring, tedious) |
| common(adjective, boring, tedious, monotonous) |
| commonplace(adjective, dull, boring, tedious) |
| deadly(adjective, dull, boring, tedious) |
| dismal(adjective, boring, tedious, monotonous) |
| driveling(adjective, boring, tedious, monotonous) |
| familiar(adjective, boring, tedious, monotonous) |
| hackneyed(adjective, boring, tedious, monotonous) |
| ho hum(expression, adjective, dull, boring) |
| hoary(adjective, boring, tedious, monotonous) |
| insipid(adjective, dull, boring, tedious) |
| longwinded(adjective, boring, tedious, monotonous) |
| oft-repeated(adjective, boring, tedious, monotonous) |
| ordinary(adjective, boring, tedious, monotonous) |
| out-of-date(adjective, boring, tedious, monotonous) |