1. Computer software that is no longer marketed or distributed by the company that created it, but obtainable from some other source

Encyclopedia: Abandonware

• unreproducible
• unreproducibly
• unreproved
• unrequested
• unrequited
• unresentful
• unreserved
• unreservedly
• unresistant
• unresisting
• unresolvable
• unresolved
• unrespectability
• unrespectable
• unresponsive
• unresponsiveness
• unrest
• unrested
• unrestrained
• unrestrainedly
• unrestraint
• unrestricted
• unrestrictive
• unretentive
• unretrievable