Unstability 

a humanoid that is mentally unstable, but used as a noun

You just get some mentally unstable friends then they'll get your humour and like you and all your unstability

Unstability by tacobell_malberry December 11, 2021

Unstability 

Not stable; Not having a strong foundation

I must say the unstability was the main and only thing that pretty much interested me to keep going.

Unstability by wrenhollixx April 23, 2022

usability 

A word assosiated with how one rates an objects usefulness, usability.

Q: "So, how's the usability of this Cut'n'Slice-A-Matic©?"
A: "It's a fairly high usability object, Bob".
or
A: "Not sold in stores, Bob, cuz it's a piece of shit":

usability by Crapper McGee January 24, 2004

Electronic Instability 

When you don't know if your computer, cellphone or any other electronic device, will work next time you use it.

He suffers from electronic instability.

Electronic Instability by Ni2k May 23, 2011

usability 

n. the existence or degree of the ability to be used or put into operation

The shattered bits of discarded beer bottles offer very little usability for those who drive; why, then, do people insist on throwing them on the streets?

usability by Chantizzle January 21, 2004

weaponized emotional instability 

When women use their rollercoaster of feelings to manipulate men.

Jessie starting sobbing when Bobby glanced at another girl. Bobby willing to do anything to get her to stop crying offered to buy her something at the store accross the street. Jessie's emotions were real but rather than mature and stive for mental health, she preferred her weaponized emotional instability to get Bobby to buy her stuff.

weaponized emotional instability by Joe Lavode May 17, 2018

usability 

The degree of ineptitude which a country's military displays. Usually defined as number of casualties that said army suffers after the country's leader delares that war is over.

On a scale of 1-10, with 10 being completely bungled, America's USability in Iraq has been about a 100,000.

usability by uncle_class January 26, 2004