from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. That can be used: usable byproducts.
  • adj. Fit for use; convenient to use: usable spare parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. capable of being used

from the GNU version of the Collaborative International Dictionary of English

  • adj. Capable of being used.

from The Century Dictionary and Cyclopedia

  • Capable of being used.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. convenient for use or disposal
  • adj. fit or ready for use or service
  • adj. capable of being put to use


From Old French usable, from verb user "to use". (Wiktionary)


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