Of events: Troublesome, disastrous.

Of a point or period of time: characterized by disaster or despair; unhappy, calamitous.

Of things: Associated with, bringing about or causing, misfortune or mishap; disastrous.

Of an event or occurrence: unfortunate, calamitous, disastrous. Of a person: miserable, needy, poverty-stricken. Also as n. Obsolete.

Of an event, etc.: unfortunate, disastrous, horrendous. Of an act: vicious, wicked. Obsolete.

Catastrophic, disastrous, devastating; (in early use also) †murderous, brutal (obsolete); = tragic, adj. 1a.

Of or relating to an event, situation, etc., that causes great suffering, destruction, or distress, esp. one that involves death on a large scale or…

Fraught with or causing calamity; disastrous, distressful; full of distress, affliction, or misery.

Untoward, ill-starred. Obsolete. rare.

Unfortunate, unlucky; characterized by misadventure.

Marked or attended by ill fortune; disastrous, ruinous. Obsolete.

Of the nature of misfortune or disaster; disastrous, calamitous. (Now rare, and associated with sense B. 5)

Of an event, etc.: that constitutes a disaster or calamity; that causes great harm or damage, or has a catastrophic outcome; ruinous.

transferred. Of actions, etc.: Disastrous.

Unfortunate, disastrous.

Of the nature of a catastrophe; disastrous.