( of events) having extremely unfortunate or dire consequences; bringing ruin; " the stock market crashed on Black Friday"; " a calamitous defeat"; " the battle was a disastrous end to a disastrous campaign"; " such doctrines, if true, would be absolutely fatal to my theory"- Charles Darwin; " it is fatal to enter any war without the will to win it"- Douglas MacArthur; " a fateful error"

Disastrously.

Full of unpropitious stellar influences; unpropitious; ill- boding.

Attended with suffering or disaster; very unfortunate; calamitous; ill- fated; as, a disastrous day; a disastrous termination of an undertaking.

Unlucky; unfortunate; calamitous; attended with evil results.

Ill- starred: unpropitious: unfortunate.

Unlucky; calamitous.

Full of disaster; calamitous; gloomy; dismal.

Disastrousness.

Calamitous; occasioning disaster; gloomy; threatening disaster.

Occasioning loss or injury; unfortunate; unlucky; calamitous.

With their mother's inheritance swept away in the wreck of the bank, and with their love affairs in a disastrous condition, things could scarcely be worse. – The Circular Staircase by Mary Roberts Rinehart

The result is disastrous. – The Complete Essays of C. D. Warner by Charles Dudley Warner

I fear that its result can not fail to be disastrous to all concerned. – The Rise and Fall of the Confederate Government, Vol. 1 (of 2) by Jefferson Davis

Forty years later the disastrous battle of Gilboa was fought. – My Three Days in Gilead by Elmer Ulysses Hoenshal

Another influence of the past also proved most disastrous. – A Knight Of The Nineteenth Century by E. P. Roe

It is a fearful thing to lead this great peaceful people into war, into the most terrible and disastrous of all wars, civilisation itself seeming to be in the balance. – Germany, The Next Republic? by Carl W. Ackerman

" Disastrous, in fact," I agreed. – The Damned by Algernon Blackwood

Fran had sketched it for Soames on the plane headed for New York and the disastrous broadcast. – Long Ago, Far Away by William Fitzgerald Jenkins AKA Murray Leinster

In the disastrous campaign against the Parthians in which Antiochus lost his life John Hyrcanus accompanied him with a following of Jewish soldiers. – The Makers and Teachers of Judaism by Charles Foster Kent

Any attempt at a rescue would be disastrous to the rescuers. – Paradise Bend by William Patterson White

Indeed, the consequences of such schemes at this moment would in my opinion be most disastrous. – Memoirs of James Robert Hope-Scott, Volume 2 by Robert Ornsby

A serious and disastrous action that took place during these operations was actually kept a secret from the King, until the Duc de la Tremoille, whose son was engaged there, let out the truth. – The Memoirs of Louis XIV., His Court and The Regency, Complete by Duc de Saint-Simon

It was this uncertainty that kept him from calling at the Cable home; likewise, from writing a note which might prove a most disastrous folly. – Jane Cable by George Barr McCutcheon

If you do, what will be the disastrous consequences not only to Ulster, but to this country and the Empire? – John Redmond's Last Years by Stephen Gwynn

The leaders of the opposition were quick to realise that his entrance had created a diversion for them which might save them from disastrous defeat. – To Him That Hath A Novel Of The West Of Today by Ralph Connor

The result of this might prove disastrous, for giant- powder and detonators are comparatively dear in that country, and in any case are not obtainable in the bush. – The Gold Trail by Harold Bindloss

Never had the world witnessed wars so disastrous, so bloody. – A Political and Social History of Modern Europe V.1. by Carlton J. H. Hayes

In Liverpool a disastrous experiment had been tried. – A Short History of English Liberalism by Walter Lyon Blease

But our race has always been a law unto itself, with more or less disastrous consequences. – The Mystery of the Four Fingers by Fred M. White

They ate just as little as they could and the result has been disastrous. – Dorothy at Oak Knowe by Evelyn Raymond