un·clog /-ˈklɑg/
Un·clog, v. t. To disencumber of a clog, or of difficulties and obstructions; to free from encumbrances; to set at liberty.
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unclog
v : become or cause to become unobstructed; "The chemical that
we poured down the drain unclogged it" [ant: clog]
[also: unclogging, unclogged]