Definition of unground in English:

unground

Syllabification: un·ground
Pronunciation: /ˌənˈɡround
 
/

verb

[with object]
Remove from a grounded state: It’s easy to jump in and ground airplanes. It’s not so easy to unground them

Definition of unground in:

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Pronunciation: ˈdīktik
adjective
denoting a word whose meaning depends on context...