English definition of “overflow”
CONTAINER [I] › If a container or a place overflows, the thing that is inside it starts coming out because it is too full: The bath overflowed, and there's water all over the floor! The bin was overflowing with rubbish.
CONTENTS [I, T] › to come out of a container or a place because it is too full: The river overflowed its banks after the heavy rainfall.
overflow with confidence/happiness/love, etc › to have a lot of a quality or emotion overflow
/ˈəʊvəfləʊ/ noun [C, U]