To taper.
To disappear gradually.
To take away; to subtract.
To make smaller.
To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf (in gaming).
To become less or smaller.
To besmear.
To cool (something) with water or another liquid.
To satisfy (thirst, or other desires).
To become mixed with water, so that a true chemical combination takes place.
To mix with water, so that a true chemical combination takes place.
A sloppy mess.