| fatiguing(adjective, boring, exhausting, dull, difficult) |
| exhausting(adjective, difficult, dull, boring, tired) |
| wearying(adjective, boring, dull, difficult, tired) |
| boring(adjective, dull, dreary, tedious, drab) |
| wearisome(adjective, dull, tedious, stupid, difficult) |
| unsurprising |
| wearing(adjective, dull, difficult, boring, tired) |
| laborious(adjective, dull, tough, difficult, awkward) |
| tedious(adjective, dull, stupid, boring, lifeless) |
| tiresome(adjective, dull, tough, flat, stupid) |
| monotonous(adjective, dull, tedious, stupid, boring) |
| arduous(adjective, dull, tough, difficult, awkward) |
| dull(adjective, tedious, boring, lifeless, irritating) |
| taxing(adjective, hard, severe, difficult, harsh) |
| hard(adjective, dull, difficult, full, awkward) |
| strenuous(adjective, dull, tough, difficult, full) |
| draining(adjective, verb, difficult, tired, demanding) |
| uninteresting(adjective, dull, tedious, boring, lifeless) |
| difficult(adjective, dull, tough, awkward, boring) |
| toilsome(adjective, hard, tough, severe, rough) |