slackening (noun)

1. Her heart raced as she felt the slackening of control over her emotions in his presence.

2. In the world of artificial intelligence, a slackening of control could have disastrous consequences.

3. According to Greek mythology, the slackening of Zeus' strength led to the rise of other powerful gods.

4. The fall of the Roman Empire was accelerated by a slackening of control over its vast territories.