unobsolete 

In existence

Do God's will and live unobsolete.

unobsolete by Hercolena Oliver January 26, 2009

Knobsolete 

Man with a non existent penis

'I heard Debbie tried to have sex with Jim but couldn't cos he is knobsolete'

Knobsolete by Mulder666 November 8, 2013

unobsolescence

The process of not becoming obsolete over time.

Son: "Dad, I was looking to getting some vinyl as all my friends are doing it."
Dad: "I actually have some stored away. There unobsolescence is incredible."

unobsolescence by LittleMan5’9” July 31, 2025