deconfirm 

the word the smash community uses instead of "disconfirm". you can't change that, get over it.

bro they deconfirmed my most wanted fuck

deconfirm by sands undertale December 7, 2019

deconfirm 

Calling a friend to let them know why you didn't keep your appointment with them at the time of the appointment or later.

I can't believe it's already 8 and I completely forgot we were supposed to have dinner tonight at Courtney's house. I'm going to have to call her to deconfirm.

deconfirm by warrenmt November 21, 2010

disconfirm

Demonstrate (something) to be untrue, especially if considered uncertain; falsify.

The Dude: "Why me, man?"
Brandt: "He believes the culprits might be the very people who, uh, soiled your rug, and you are in a unique position to confirm or disconfirm that suspicion."

disconfirm by CartoonChess October 16, 2008

deconism 

An artistic, architectural, or design aesthetic consisting of clean smooth surfaces, and other aesthetic elements motivated by the theme of decontamination.

The recent anthrax scares have led us toward a deconist aesthetic with an abundance of white ceramic tiles, as if the whole world's at once a shower room and decon facility.

deconism by Prof. Steve Mann December 6, 2003

Denfirm

When you confirm that you did something nobody accused you of by preemptively denying it.

Erika Kirk denfirmed that she was being flown around by Israeli government planes registered in Egypt.

Denfirm by gcsnelgar December 18, 2025