Disappointing

A blanket of silence fell over everyone when they heard the disappointing announcement.

Nothing is more disappointing than to lose in the finals.

The result was rather disappointing.

The result proved disappointing.

The speaker didn't know his subject, nor did he speak well; in short, he was disappointing.

Last night's concert was disappointing.

It was disappointing that nobody ate the expensive sushi I had served.

Corporate earnings for the first quarter were disappointing.

His new film is disappointing.

To sum up, we can say that his new novel is disappointing.