Sentences with Unfortunately

The experiment's results, unfortunately, did not support the hypothesis, leading to a need for further investigation.

Unfortunately, the novel manuscript was lost when the hard drive crashed, leading to months of rewriting.

Unfortunately, the historical artifacts were damaged during the museum's renovation process.

Despite the elaborate preparations, the surprise party, unfortunately, became known to the birthday person beforehand.

Unfortunately, the talented musician's concert had to be canceled due to a sudden illness.

Despite the teacher's efforts, some students, unfortunately, couldn't grasp the complex mathematical concept.