Other hyponyms of difficultness include
effortfulness,
asperity,
grimness,
hardship,
rigor,
rigorousness,
rigour,
rigourousness,
severeness,
severity,
hardness,
ruggedness,
formidability,
toughness,
burdensomeness,
heaviness,
onerousness,
oppressiveness,
niceness,
subtlety,
inconvenience,
troublesomeness,
worriment,
problem,
trouble,
facer,
killer,
kink,
pisser,
booby trap,
pitfall,
snorter,
balk,
baulk,
check,
deterrent,
handicap,
hinderance,
hindrance,
impediment,
wrinkle,
bitch,
plight,
predicament,
quandary,
rattrap,
pinch,
fix,
hole,
jam,
mess,
muddle,
pickle,
hard time,
rough sledding,
strain,
stress,
mire,
job,
problem,
situation,
urinary hesitancy,
wall,
thorniness.