Seeing himself trapped, he cried out direfully.    From Wordnet, Princeton University. 

Adjective : direful forecasts.    From Dictionary.com. 

"No, the jail for you," threatened the cook direfully.    From Wordnik.com.  [Ralph on the Engine The Young Fireman of the Limited Mail] Reference

Glanced over her shoulder, struggled to frown direfully.    From Wordnik.com.  [The Ideal Bride]

Gerhardt was still in a direfully angry and outraged mood.    From Wordnik.com.  [Jennie Gerhardt] Reference

Mobei the toilet dealer had suffered direfully at her hands.    From Wordnik.com.  [The Yotsuya Kwaidan or O'Iwa Inari Tales of the Tokugawa, Volume 1 (of 2)] Reference

Men of the present day are so direfully afraid of a refusal!.    From Wordnik.com.  [Lazy Thoughts of a Lazy Girl Sister of that "Idle Fellow."] Reference

When Julia came into his study, she found Marius frowning direfully.    From Wordnik.com.  [The Grass Crown]

Frowning direfully, she viciously decapitated another shriveled set of blooms.    From Wordnik.com.  [The Ideal Bride]

"Rome has no business in Egypt!" the King said, frowning awfully and direfully.    From Wordnik.com.  [The First Man in Rome]

The speaker, muttering direfully under his breath, was about to slam down the window.    From Wordnik.com.  [Bart Stirling's Road to Success Or, The Young Express Agent] Reference

I do not have Hebrew, but my understanding is that the OT is more direfully condemnatory.    From Wordnik.com.  [Any sympathy for the gay evangelicals?] Reference

Then he frowned, but not direfully; a thoughtful, reminiscent sort of frown that changed in a twinkling to a wide smile.    From Wordnik.com.  [The Grass Crown]

The Hammal, direfully wrath, threatened to shoot him upon the spot, and it was not without difficulty that I calmed the storm.    From Wordnik.com.  [First footsteps in East Africa] Reference

Finally he got to his feet and stepped to the edge of his small Tyrian purple podium, where he stood with immense dignity, frowning direfully.    From Wordnik.com.  [Fortune's Favorites]

Marius shifted restlessly on the middle couch, frowning, but less direfully than of yore, for the lingering paralysis gave the left half of the grimace a mournful quality.    From Wordnik.com.  [The Grass Crown]

Most of the time it blew horribly, and they were direfully ill.    From Wordnik.com.  [Life of Charles Dickens] Reference

"Now my troubles are over," thought I, and as usual was direfully mistaken.    From Wordnik.com.  [Hospital Sketches] Reference

He is a good man, but direfully argumentative, and in that sense to me a bore.    From Wordnik.com.  [Life and Letters of Thomas Henry Huxley — Volume 1] Reference

“Now my troubles are over,” thought I, and as usual was direfully mistaken.    From Wordnik.com.  [Hospital sketches] Reference

Space is really a direfully difficult subject! the third dimension bothers me very much still.    From Wordnik.com.  [Familiar Letters of William James I] Reference

The pupil's words may be right, but the conceptions corresponding to them are often direfully wrong.    From Wordnik.com.  [Talks To Teachers On Psychology; And To Students On Some Of Life's Ideals] Reference

I invited him to enter, and he came in and stood with his fur cap on his head, looking direfully at me.    From Wordnik.com.  [Jacqueline of Golden River] Reference

Book is Agamemnon so direfully insulted as in the First, which is admitted to be of the original "kernel.".    From Wordnik.com.  [Homer and His Age] Reference

Hammal, direfully wrath, threatened to shoot him upon the spot, and it was not without difficulty that I calmed the storm.    From Wordnik.com.  [First Footsteps in East Africa] Reference

I rejoiced in every one of my unhappy friend's responsive vibrations, even while feeling that they might as direfully multiply as those that had preceded them.    From Wordnik.com.  [A Passionate Pilgrim] Reference

But nevertheless, traveller as he was, he passed the night direfully sick in his carriage, where his courier tended him with brandy-and-water and every luxury.    From Wordnik.com.  [Vanity Fair] Reference

All that he said and prophesied has come so direfully true that I have now full faith and confidence in his vision and practical sense on the subject of the Goth race.    From Wordnik.com.  [Villa Elsa A Story of German Family Life] Reference

Because, while parleying with the Devil, he looks angelic; but having given our soft-spoken interlocutor house-room, he makes up for lost time by becoming direfully sincere!.    From Wordnik.com.  [Idolatry A Romance] Reference

Not another word out of you! "commanded Anderson direfully.    From Wordnik.com.  [The Daughter of Anderson Crow] Reference

Those, however, who are so direfully tormented, pass on by degrees to more tolerable pains. ".    From Wordnik.com.  [Spiritual Works of Louis of Blois] Reference

It seemed so direfully, so hopelessly wrong!.    From Wordnik.com.  [The Story of Julia Page] Reference

In both these points he was direfully mistaken.    From Wordnik.com.  [Lafayette] Reference

A direfully conventional romanticist, H.F. Ewald.    From Wordnik.com.  [Essays on Scandinavian Literature] Reference