1. protected or supervised by a lifeguard

Examples

• The lifeguarded beach was much safer for families with young children.
• We chose to swim at the lifeguarded pool rather than the lake.
• All lifeguarded areas close at sunset for safety reasons.
• The resort featured both lifeguarded and non-lifeguarded swimming areas.
• Parents felt more comfortable letting their kids play in the lifeguarded section.
• The lifeguarded waterfront had clear safety rules posted everywhere.