Definition of pervious in English:



  • (of a substance) allowing water to pass through; permeable.

    ‘pervious rocks’
    • ‘Because of the very low water-cement ratio and the open matrix that allows air movement through the concrete matrix, pervious concrete can dry out very quickly.’
    • ‘The City of Seattle currently credits pervious surfaces as stormwater management reduction.’
    • ‘All around it is limestone, which anyone who has studied geography at school will know is pervious and water disappears through it.’
    • ‘Recently, our regional promotion groups have identified what they think of as emerging opportunity in the area of pervious pavements.’
    • ‘The top sheet is formed of a fluid pervious material, e.g., a fibrous material.’
    • ‘What we're doing is taking some areas that used to be pervious and we're putting a [residence] building there, so the water now gets captured.’
    • ‘The parking lot uses pervious limestone and is landscaped with indigenous plants.’
    • ‘The use of impervious surfaces (like pavement and concrete) can be minimized and replaced with pervious surfaces (like stone and gravel) whenever possible.’
    • ‘A green sod roof reduces runoff from impermeable surfaces, while a pervious parking lot allows infiltration of water into the ground.’
    • ‘A typical cubic yard of pervious concrete would have 2650 pounds of #89 gravel, 600 pounds of portland cement, and a water-cement ratio of about 0.30.’
    • ‘The brownfield site had no trees or pervious surfaces, and it generated a range of environmental problems for the surrounding neighborhood.’
    soft, cushiony, cushioned, squashy, compressible, yielding
    View synonyms


Early 17th century: from Latin pervius ‘having a passage through’ (based on via ‘way’) + -ous.