| finicky(adjective, characteristic, difficulty, hardship) |
| fractious(adjective, characteristic, difficulty, hardship) |
| fussy(adjective, characteristic, difficulty, hardship) |
| galling(adjective, characteristic, difficulty, hardship) |
| gargantuan(adjective, characteristic, difficulty, hardship) |
| grandiose(adjective, characteristic, difficulty, complication) |
| grim(adjective, characteristic, difficulty, hardship) |
| grueling(adjective, characteristic, difficulty, hardship) |
| hard-won(adjective, characteristic, difficulty, hardship) |
| herculean(adjective, characteristic, difficulty, hardship) |
| hidden(adjective, characteristic, difficulty, hardship) |
| immense(adjective, characteristic, difficulty, hardship) |
| impenetrable(adjective, characteristic, difficulty, hardship) |
| impolite(adjective, characteristic, difficulty, hardship) |
| impressive(adjective, characteristic, difficulty, complication) |
| incomprehensible(adjective, characteristic, difficulty, hardship) |
| inconvenient(adjective, characteristic, difficulty, complication) |
| industrious(adjective, characteristic, difficulty, complication) |
| inexplicable(adjective, characteristic, difficulty, hardship) |
| inopportune(adjective, characteristic, difficulty, complication) |