To be full of something to the point of overflowing; to be overflowing with (e.g., energy, youth, joy).
子供たちの笑顔で公園が満ち溢れていた。
The park was overflowing with children's smiles.
新人選手は自信と希望に満ち溢れていた。
The new player was overflowing with confidence and hope.
彼女の目は喜びで満ち溢れていた。
Her eyes were filled with joy.
この小説は冒険心に満ち溢れる描写が多い。
This novel contains many depictions overflowing with a sense of adventure.