Unviable(adjective)
That cannot be done.
Hindi meaning:असाध्य
Synonyms: Unworkable, Unfeasible, Impossible, Implausible
Antonyms: Workable, Feasible, Possible, Plausible
Example: The airport had become financially unviable and closed in December 2019.
Trick to remember: Agar tum available ho toh kuch bhi unviable nhi hai. 
