Unfortuitous

The company's unfortuitous acquisition of a rival firm led to its bankruptcy.

Her unfortuitous decision to trust the wrong person resulted in a major betrayal.

The unfortuitous circumstances of his birth led him to grow up in poverty.

The failure of the communication system was unfortuitous for the rescue operation.

The unfortuitous placement of the tree caused a road accident.

Her phone battery died just as she was about to receive an important call. It was an unfortuitous timing.

The athlete's injury was an unfortuitous turn of events.

The unfortuitous turn of events led to a delay in the project's completion.

The unfortuitous loss of her passport made her miss her flight.

The unfortuitous break-up was difficult for her to cope with.

His unfortuitous choice of words offended his boss.

The unfortuitous miscommunication caused confusion among the team members.