The phrase "a unused" is not correct in written English.
The correct form should be "an unused" because "unused" begins with a vowel sound.
Example: "I found an unused ticket in my drawer."
Alternatives: "an unutilized" or "an unoccupied".
The temporary theatre will be constructed on a unused piece of land next to the space currently hosting The Railway Children.
By 1995, it was so rare to see foreign acts in Serbia that when Laurent Garnier, a French techno D.J., played in a unused airport hangar in Belgrade, he was given an official ceremony by City Hall and presented with keys to the city by a mayoral representative.
Volunteers who have planned the Sow Wild New Lodge Community Garden this summer will redevelop a unused and overgrown communal space in the area.
However it is not yet clear when the tunnel detection system, which is thought to have undergone trials in a unused sewer in Tel Aviv last year, will be launched.
While as fas as we could tell no one got Tasered in the butt, the low-key, affable conversations of "The Gavin Newsom Show" seemed like the kind of thing everyone involved would probably be doing anyway (just over lamb lollipops and Pinot Noir at Balboa Cafe instead of what looked like a unused corner of the set for the "Colbert Report").
Time lapse videomicroscopy experiments (see supplemental video S1 and S2) revealed that cells treated with Sb supernatant exhibited a higher rate of migration than cells treated with a unused culture medium for Sb (80 µm/h versus 40 µm/h).
Find a closet, a play tent, or an unused corner of your room.
Three or four round, white eggs are deposited in a cavity, often an unused woodpecker hole.
She prepared to buy a house with an unused wedding fund and started browsing sperm donors.
The predicted nonsense codon is present in an unused frame, a consequence of flanking, compensating frameshift variants.
Try a shelf or an unused closet.
