Definition of pervious in English:



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

    ‘pervious rocks’
    • ‘The parking lot uses pervious limestone and is landscaped with indigenous plants.’
    • ‘The City of Seattle currently credits pervious surfaces as stormwater management reduction.’
    • ‘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 use of impervious surfaces (like pavement and concrete) can be minimized and replaced with pervious surfaces (like stone and gravel) whenever possible.’
    • ‘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.’
    • ‘A green sod roof reduces runoff from impermeable surfaces, while a pervious parking lot allows infiltration of water into the ground.’
    • ‘The brownfield site had no trees or pervious surfaces, and it generated a range of environmental problems for the surrounding neighborhood.’
    • ‘All around it is limestone, which anyone who has studied geography at school will know is pervious and water disappears through it.’
    • ‘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.’
    soft, cushiony, cushioned, squashy, compressible, yielding
    View synonyms


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