Definition of unusable in English:

unusable

adjective

  • Not fit to be used.

    ‘the steps were overgrown and unusable’
    • ‘Lack of maintenance and removal of parts from older ships made them potentially dangerous and often unusable during a war.’
    • ‘Four times now, I have accidentally rendered the site unusable.’
    • ‘I absolutely hate it when installing something screws your PC up so much that it is unusable.’
    • ‘When I bought the place, it was open to the sky and there were ferns and trees growing there - it was just an unusable and unpassable area.’
    • ‘Twenty years ago this land was unusable and uninhabited, its soil burdened by a high degree of aluminium toxicity.’
    • ‘Industry standards dictate that the 2000 survey figures are unusable and out of date.’
    • ‘Most of the equipment was unusable because of damage and contamination but some was sent away for sterilisation.’
    • ‘Often the mines have been laid in agricultural land, making it unusable and so a jungle grows up, making the mines even more difficult to find.’
    • ‘The test was designed to simulate what would happen if their offices became unusable in the event of a wide-scale power loss or crowd trouble.’
    • ‘It is great to have expansive fields around the school, but unfortunately in wet weather they become unusable for some time.’
    • ‘Windows in each classroom are at a height of 1.8m and thus are rendered unusable for fire escape.’
    • ‘This should eliminate the possibility of deliberate arsons because the timber is unusable three years after the fire.’
    • ‘The mere rumour of a landmine can render a community's fields unusable.’
    • ‘Vandals have badly damaged seafront steps, leaving them unusable.’
    • ‘This extension to the route is unusable for wheelchair users.’
    • ‘Some ranchers found that water became unusable after seismic testing alone.’
    • ‘Northwest Airlines refused to make refunds for the unusable tickets.’
    • ‘It's completely unacceptable that CD-Rs become unusable in less than two years.’
    • ‘In their place are holes, which easily fill up with rainwater rendering them almost unusable.’
    • ‘The booking office at the station has been attacked twice and the stairwell on the northbound platform has been wrecked leaving it unusable.’
    futile, pointless, purposeless, impractical, vain, in vain, to no purpose, to no avail, unavailing, bootless, nugatory, hopeless, ineffectual, inefficacious, impotent, fruitless, unprofitable, profitless, unproductive, unachievable, sisyphean
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Pronunciation

unusable

/ʌnˈjuːzəb(ə)l/