dam

Synonyms

block, choke, clog, clot, congest, gum (up), jam, obstruct, occlude, plug (up), stop (up), stuff;

Antonyms

clear, free, open (up), unblock, unclog, unplug, unstop;

Near Antonyms

excavate, hollow (out), scoop (out);

empty, lighten;

Related Words

bung, cork, stopper, stopple;

fill, gridlock, pack;

fur, silt;

flood, glut, inundate, overwhelm, swamp;