To swell or rise above (something, especially the rim of a container, the sides of something hollow, etc.).
To cause (something) to be too swollen or large; to become too swollen or large.
An excessive or sudden increase or flood (of something).
(of a bad emotion, situation, etc.) to reach a climax
to enter into another zone by way of accident or overcrowding; to overflow
(of an infectious disease) to spread from one species of animal to another and particularly to humans