Synonyms and Antonyms of stop up
to prevent passage through by filling with something clear the leaves out of the rain gutters so they don't stop up the downspouts again Synonyms block, choke, clot, congest, dam, gum (up), jam, obstruct, occlude, plug (up), clog (up), stuffRelated Words bung, cork, spile, stopper, stopple; fill, gridlock, pack; fur, silt; flood, glut, inundate, overwhelm, swampNear Antonyms excavate, hollow (out), scoop (out); empty, lightenAntonyms clear, free, open (up), unblock, unclog, unplug, unstop
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