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decongest

/dɪˈkɒŋɡɛst/ · de.con.gest
verb
  1. to relieve or remove congestion, especially in the nose or sinuses After a long flight, she took a decongestant to alleviate her stuffy nose.
verb
  1. to relieve or remove congestion in a system or process The new software was designed to decongest the company's IT system, increasing efficiency and productivity.
noun
  1. a medication or treatment used to relieve or remove congestion She took a decongest to help her breathe more easily during her cold.
Did you know? The term 'decongest' has become a common term in modern medicine, particularly in the treatment of respiratory conditions such as colds and sinusitis.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 1, 2026