Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb silt_up

1 sense of silt up

Sense 1
silt up, silt -- (become chocked with silt; "The river silted up")
       => clog, choke off, clog up, back up, congest, choke, foul -- (become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up")