Longman Dictionary of Contemporary English
Douglas Harper's Etymology Dictionary
1960s in drug-use sense, from ozone (n.), which is found high in the atmosphere; the related verb to zone is from 1980s.
The Collaborative International Dictionary
Zoned \Zoned\, a.
Wearing a zone, or girdle.
Having zones, or concentric bands; striped.
vb. (en-past of: zone)
Usage examples of "zoned".
She was banking on the zoned and shut off his IV drip of blockers without a twinge of remorse.
The maskelynite is zoned, with accessory phases of titanomagnetite, ilmenite, pyrrhotite, fayalite, trydimite, whitlockite, chloraptite, and baddeleyite.
Mary Catherine was tired and stressed and she quickly zoned out, found herself watching all of this stuff without really processing it.
The maskelynite is zoned, with accessory phases of titanomagnetite, ilmenite, pyrrhotite, fayalite, tridymite, whitlockite, chlorapatite, and baddeleyite.
This was an area zoned for leveling --- the edge of the Depopulated Zone.