1The security team maintained a high level of vigilance throughout the event, scanning the crowd for any signs of trouble.
2Is increased vigilance the key to preventing cyber attacks, or are there other factors at play?
3The company's lack of vigilance regarding environmental regulations led to a costly lawsuit.
4In times of economic uncertainty, investors must exercise vigilance when making decisions about their portfolios.
5The government's vigilance in monitoring and responding to public health crises has been widely praised by experts.