1) The movie received many negative reviews and was overall quite disappointing.

2) The results of the experiment were incredibly disappointing, with no conclusive findings.

3) I found the customer service experience to be disappointing, as my issue was not resolved.

4) The lack of support from my colleagues was disappointing, especially when I needed their help.

5) The food at the new restaurant was very disappointing, with bland flavors and poor presentation.

6) The turnout for the event was disappointing, as we had hoped for a larger crowd.

7) The performance by the renowned singer was surprisingly disappointing, with several off-key notes.

8) The ending of the book was disappointing, leaving many unanswered questions.

9) The team's performance in the championship game was disappointing, resulting in a loss.

10) Being passed over for the promotion was disappointing, after all the hard work I had put in.

11) Example sentences:

12) The movie was so disappointing that I left the theater halfway through.

13) It was disappointing to see the team lose the championship game.

14) The feedback on my presentation was really disappointing.

15) The restaurant had a disappointing selection of vegetarian options.

16) The lack of support from my colleagues was disappointing.