mothballed

verb

1. (form-of, participle, past)simple past and past participle of mothball

adj

1. (not-comparable)Kept in good condition for possible future use. (of something out of use)

   “Reopening the mothballed Platform 4 at Birmingham Snow Hill, for example, is a relatively simple and inexpensive proposition that will relieve some of the capacity constraints at Birmingham Moor Street.”