Meaning of unsatisfactory

1. The quality of the product was unsatisfactory, so I returned it for a refund.
2. The service at the restaurant was unsatisfactory, with slow wait times and rude staff.
3. The teacher gave me an unsatisfactory grade on my assignment because it was incomplete.
4. I found the level of communication from the company to be unsatisfactory, as they never responded to my inquiries.
5. The hotel room was unsatisfactory, with a broken air conditioner and dirty linens.
6. The results of the experiment were unsatisfactory, as they did not meet the expected outcomes.
7. The customer complained that the resolution offered by the company was unsatisfactory and did not address their concerns.
8. The decision to cancel the project was made due to unsatisfactory progress and lack of funding.
9. The students' behavior in class was unsatisfactory, leading to disciplinary action by the teacher.
10. The conditions of the rental property were unsatisfactory, with leaks and mold throughout the apartment.