Hypertext Webster Gateway: "arduousness"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Arduousness \Ar"du*ous*ness\, n.
The quality of being arduous; difficulty of execution.
From WordNet (r) 1.7 (wn)
arduousness
n : extreme effortfulness [syn: {strenuousness}]
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