| boring(adjective, dreary, tedious, colorless, drab) |
| tedious(adjective, dull, boring, monotonous, dreary) |
| tiresome(adjective, dull, simple, tough, excite) |
| dull(adjective, boring, tedious, dreary, lifeless) |
| monotonous(adjective, boring, dull, tedious, simple) |
| tiring(adjective, dull, tedious, stupid, difficult) |
| humdrum(adjective, dull, weak, excite, slow) |
| uninteresting(adjective, boring, tedious, dull, dreary) |
| fatiguing(adjective, burdensome, dull, difficult, boring) |
| irksome(adjective, dull, excite, difficult, pain) |
| laborious(adjective, dull, hard, tough, difficult) |
| unsurprising |
| wearying(adjective, dull, difficult, boring, tedious) |
| dreary(adjective, dull, simple, excite, gloomy) |
| soul-crushing |
| dry(adjective, dull, flat, excite, boring) |
| insipid(adjective, dull, weak, simple, stupid) |
| toilsome(adjective, hard, tough, severe, difficult) |
| slow(adjective, dull, simple, stupid, boring) |
| strenuous(adjective, dull, tough, severe, difficult) |