unclog

From Wiktionary

Word parts[change]

un- + clog

Verb[change]

Plain form
unclog

Third-person singular
unclogs

Past tense
unclogged

Past participle
unclogged

Present participle
unclogging

  1. (transitive) If you unclog something, such as a pipe, you remove a blockage from it.
  2. (intransitive) If something is unclogged, the blockage in it has been removed.