| exacting(adjective, dull, boring, tired, tedious) |
| exasperating(adjective, dull, boring, tired, tedious) |
| exhausting(adjective, dull, boring, tired, tedious) |
| flat(adjective, dull, boring, tedious, irritating) |
| hard(adjective, dull, boring, tired, tedious) |
| heavy(adjective, dull, boring, tired, tedious) |
| hefty(adjective, dull, boring, tired, tedious) |
| ho-hum(adjective, dull, boring, tired, disagreeable) |
| humdrum(adjective, dull, boring, tedious, irritating) |
| irritating(adjective, dull, boring, tired, tedious) |
| jading(adjective, dull, boring, tired, tedious) |
| jejune |
| laborious(adjective, dull, boring, tired, tedious) |
| monotonous(adjective, dull, boring, tedious, irritating) |
| nowhere(adjective, dull, boring, disagreeable, tedious) |
| onerous(adjective, dull, boring, tired, tedious) |
| oppressive(adjective, dull, boring, tired, tedious) |
| prose |
| strenuous(adjective, dull, boring, tired, tedious) |
| tired(adjective, dull, boring, tedious, irritating) |