Unfortunate (adjective)

1. Having bad luck or unfortunate circumstances.
2. Causing trouble or difficulties for others.
3. Unlucky or unfortunate.

Origin:

Late middle english: from old french malheureux, from malheur "misery" (see mal-), on the pattern of words such as unfortunate.

Examples:

1. It was an unfortunate accident.
2. He's had a series of unfortunate events in his life.
3. She's been an unfortunate victim of circumstance.
4. His death was a most unfortunate loss.
5. The timing of the announcement was unfortunate, coming just before the holidays.