1) His adamance in sticking to his decision surprised everyone.

2) Despite the obstacles, she maintained her adamance to succeed.

3) The student's adamance about following the rules impressed the teacher.

4) The team captain's adamance about teamwork motivated the players.

5) His adamance against changing the schedule caused some conflict within the group.

6) The company CEO's adamance on quality control helped improve product standards.

7) Jane's adamance against using plastic led to the office adopting more eco-friendly practices.

8) The customer's adamance on receiving a refund resulted in a store policy change.

9) The lawyer's adamance in defending her client won the case.

10) The professor's adamance on academic integrity set a high standard for the class.