zonedEnglishOxford Dictionary of Englishzoned /zəʊnd / ▸ adjective 1 divided into zones, in particular (of land) designated for a particular type of use or development: zoned housing land. 2 Botany Zoology marked with circles or bands of colour: strongly zoned leaves. 3 US English informal under the influence of drugs or alcohol: she's zoned on downers a zoned-out hippie. [1970s: blend of zonked and stoned1]