The Collaborative International Dictionary
Direfulness
Direful \Dire"ful\, a. [Dire + -ful.] Dire; dreadful; terrible; calamitous; woeful; as, a direful fiend; a direful day. -- Dire"ful*ly, adv. -- Dire"ful*ness, n.
Wiktionary
direfulness
n. Quality of being direful.