unclog

When you clear a blockage or obstacle, you unclog. If water's not going down the drain in your sink, you need to unclog it — or hire a plumber.

To unclog is to remove a clog, or physical obstruction. A huge part of a plumber's job is to unclog drains, removing hair or whatever else has accumulated there. Some people recommend that you unclog the pores on your face of dirt by vigorous cleaning, to avoid getting pimples. You might also notice city planners advocating for new traffic signals or roundabouts in order to unclog the streets.

Definitions of unclog
  1. verb
    become or cause to become unobstructed
    “The chemical that we poured down the drain unclogged it”
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    Antonyms:
    back up, choke, choke off, clog, clog up, congest, foul
    become or cause to become obstructed
    type of:
    disengage, free
    free or remove obstruction from
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