1. water that overflows from rivers, lakes, or other bodies of water during a flood
Usage: typically used in plural form

Examples

• The floodwaters reached the second floor of many homes.
• Residents were evacuated as floodwaters rose rapidly.
• The bridge was completely submerged under the floodwaters.
• Emergency crews rescued families trapped by the floodwaters.
• It took weeks for the floodwaters to recede completely.
• The floodwaters left behind mud and debris throughout the town.