Duckweed refers to a plant that grows on the water. Duckweed often grows rapidly and causes some pollution to water quality. In dreams, duckweed often represents a hidden danger to one's body.

Dreaming that the water is full of duckweed and you can't see any water surface, indicating that you will be infected by a bad disease because you are peaceful to others.

Dreaming that there were sporadic duckweed floating on the water, indicating that your body would experience some discomfort.

Dreaming of salvaging duckweed indicates that some of your old problems will gradually improve.