Adjective useable has 3 senses
  1. functional, usable, useable, in working order, operable, operational - fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order"
    Antonym: unserviceable (indirect, via serviceable)
  2. useable, usable - able to be put to use; "usable byproducts"
    Antonym: useless (indirect, via useful)
  3. available, usable, useable - convenient for use or disposal; "the house is available after July 1"; "2000 square feet of usable office space"
    Antonym: nondisposable (indirect, via disposable)
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