unused

1. (not comparable) Not used.Examples: "I have two unused vouchers for a free meal."; "If you have an unused credit for a year for which you also have additional tax liability because of an early disposal of an asset, you may reduce the added tax liability by the current year's unused credit that may be carried back solely because of recomputation of the investment credit for the prior year."; "A particular problem is the disposal of small quantities of unwanted, surplus, or unused pesticides. Considerable attention has been given recently to the detoxification, prior to disposal, of sizable amounts of pesticides such as the herbicides returned from Vietnam. Some attention has also been given to the smaller amounts of unused pesticides at the consumer level, and in a few communities, specific pesticides such as DDT have been collected by authorities and safely disposed of by proven procedures."Synonyms: mint, new, pristine, virginAntonyms: used, old, preloved, pre-owned, secondhandnot-comparable