unfunctional 

Something that does not function or work. The opposite meaning of the word functional.

Dude my eyes don’t work! They’re unfunctional!

unfunctional by Maverick Fischer April 5, 2022

unfunctionable 

inability to function properly

She blew me so hard I was completely unfunctionable for hours afterwards.

unfunctionable by lcritterl January 14, 2008

Unfictionalizable

Someone who has so little happening in his/her life that no fiction can be elaborated from him/her.

Nothing happens in his life, he is the representation of the heat death of the universe itself, what an unfictionalizable being.

Unfictionalizable by dsagastume January 14, 2020

unfictionals

some roblox nolife who thinks he has clout

Jeff : you know that kid unfictionals?
Alex : yeah, hes hella lame

unfictionals by IIIlllllIIlI October 6, 2018