| exhausting(adjective, dull, difficult, boring, tired) |
| unsurprising |
| wearying(adjective, difficult, dull, boring, tired) |
| tiring(adjective, dull, difficult, boring, tired) |
| soul-crushing |
| wearisome(adjective, difficult, dull, boring, tedious) |
| fatiguing(adjective, dull, difficult, boring, tired) |
| draining(adjective, dullness, ordinariness, difficult, tired) |
| wear(noun, verb) |
| boring(adjective, dull, tedious, irritating, exasperating) |
| laborious(adjective, dull, hard, difficult, awkward) |
| tiresome(adjective, difficult, tedious, irritating, annoying) |
| trying(adjective, dull, hard, tough, difficult) |
| burdensome(adjective, dull, difficult, awkward, boring) |
| erosion |
| grinding(noun, verb, adjective, tough, rough) |
| hard(adjective, dull, tough, difficult, awkward) |
| tedious(adjective, dull, boring, irritating, exasperating) |
| dull(adjective, boring, tedious, irritating, exasperating) |
| arduous(adjective, dull, hard, tough, difficult) |