Definition of mildew in English:



  • A thin whitish coating consisting of minute fungal hyphae, growing on plants or damp organic material such as paper or leather.

    • ‘Add another $5 for a gallon of deck cleaner that removes mildew, fungus, and grime.’
    • ‘Three rooms have old wallpaper that is now covered with mildew because of the damp.’
    • ‘To help prevent mildew, space plants to allow good air circulation between them.’
    • ‘Spraying rooms with an aerosol material will not eliminate mildew problems.’
    • ‘And the rainwater leaking into homes now could cause health problems months from now when mould and mildew grow in the carpets and air-conditioning ducts.’
    • ‘In winter, ventilation pulls out interior moisture, which tends to collect in attics and may saturate insulation or cause mold and mildew to grow.’
    • ‘At the top of the well hung a limp brown rope covered in damp mildew.’
    • ‘Also keep an eye on walls which adjoin the bathroom - mildew can grow on a closet wall adjacent to the bathroom, for example.’
    • ‘They collect dust and become an ideal environment for mould and mildew to grow.’
    • ‘Because your bathroom is the dampest and warmest area of your home, it's the most likely to grow mold and mildew.’
    • ‘The mold and mildew grow because of the presence of sufficient moisture.’
    • ‘Could this constant moisture cause mildew to grow on and up through the concrete slab?’
    • ‘It reeked of mildew and mould, like damp left in the corner of a room to fester until it sprouted life.’
    • ‘Other problems that could be bothersome include mildew, leaf spot, and bacterial blight.’
    • ‘He pulled open a door, damp with mildew and half-rotted away.’
    • ‘They'd see damp and dirt and mildew and mushrooms.’
    • ‘If a plastic tub is the only option, make sure it is of the sanitized type to prevent mildew and bacteria from growing.’
    • ‘The buildings are shells with walls covered in mildew and grass growing through the floors as high as the ceilings.’
    • ‘Watch out for mildew while the plants are dormant; if it shows up as a white or brown powder, dust with sulfur.’
    • ‘For example, mold and mildew grow in moist areas, causing allergic reactions and damaging buildings.’


  • Affect or be affected with mildew.

    • ‘The spare clothes I took with me look like mildewing rags.’
    • ‘Most roses grown in too much shade will quickly mildew.’
    • ‘Water accumulation can cause straw bale walls to mildew and eventually decompose, and earthen walls to deteriorate and collapse.’
    • ‘About 3 months into moving here, we noticed that every time there was a heavy rain the ceiling of our master closet would get sort of wet and look vaguely like it was mildewing.’
    • ‘Carefree is made of recycled gallon milk jugs and detergent bottles, and won't mildew or stain.’
    • ‘Loose tiles clinked underfoot and I glimpsed spoiled frescoes which had faded, mildewed or simply disappeared under whitewash.’
    • ‘Truckloads of clothing mildewed and had to be burned because they were simply unusable.’
    • ‘Use 100% polyester thread to help prevent the thread from mildewing.’
    • ‘Acid-free and treated with a fungicide to prevent mildewing, the sheets are offered with cold press, hot press and rough surface textures, and are available in 140-and 300-pound weights.’
    • ‘Then, she came back, and I told her it was going to mildew since it was all wet.’
    mouldy, mildewed, blighted, smutty, smutted, musty, fetid, fusty, rotting, rotten, decaying, putrid, putrescent, stale, damp
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Old English mildēaw honeydew of Germanic origin. The first element is related to Latin mel and Greek meli honey.