(medicine) That causes congestion

Liable to become congested

Alternative form of congestible

Of or relating to congestion.

One who congests.

plural of congester

(pathology) The blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels.

plural of congestion charge

(UK, transport) A charge made on the vehicles of road users who enter a designated zone where traffic congestion can occur, in order to discourage this congestion, typically in the centre of a large city such as London.

Synonym of rhinitis medicamentosa