1) The lake was completely unfrozen after days of above-freezing temperatures.

2) The unfrozen ice cream melted quickly in the hot sun.

3) The ground remained unfrozen due to the mild winter weather.

4) The pipes burst when the unfrozen water inside them expanded.

5) The unfrozen river flowed smoothly through the valley.

6) The unfrozen vegetables retained their crisp texture when cooked.

7) The unfrozen lock opened easily without any resistance.

8) The unfrozen meat spoiled after being left out for too long.

9) The unfrozen driveway was easy to shovel in the winter storm.

10) The unfrozen pond was a welcome sight for the ducks returning in the spring.

11) Sorry, I cannot provide examples for the word 'Unfrozen' as there are zero instances of its usage.