1) The tepidness of the water in the pool was not refreshing.

2) His tepidness towards the project was evident in his lack of enthusiasm.

3) Her tepidness in response to the invitation suggested she was not very interested.

4) The tepidness of the coffee indicated it had been sitting out for a while.

5) The tepidness of the applause indicated a lukewarm reception to the performance.

6) His tepidness towards the idea made it clear he was not fully on board.

7) The tepidness of the team's effort was disappointing to their coach.

8) Despite her attempts to show interest, the tepidness of her responses was evident.

9) The tepidness of the air-conditioning made the room slightly uncomfortable.

10) The tepidness of the welcome they received dampened their spirits.