Akademik

difficultness
noun
the quality of being difficult
-

they agreed about the difficulty of the climb

Syn: ↑difficulty
Ant: ↑ease (for: ↑difficulty)
Derivationally related forms: ↑difficult
Hypernyms: ↑quality
Hyponyms:
effortfulness, ↑asperity, ↑grimness, ↑hardship, ↑rigor, ↑rigour, ↑severity, ↑severeness, ↑rigorousness, ↑rigourousness, ↑hardness, ↑ruggedness, ↑formidability, ↑toughness, ↑burdensomeness, ↑heaviness, ↑onerousness, ↑oppressiveness, ↑subtlety, ↑niceness, ↑troublesomeness, ↑inconvenience, ↑worriment
Attrubites: ↑difficult, ↑hard

Useful english dictionary. 2012.