Unground Meaning in Bengali

What is the meaning of word Unground in Bengali/Bangla ?

Meaning of Unground in Bangla is : অপ্রস্তুত (O p . r o s . t u t)

Defenition of word Unground

Example

It's easy to jump in and ground airplanes. It's not so easy to unground them

Other Meaning of Unground