Pessimize
The Century Dictionary and Cyclopedia
To hold or express the belief or doctrines of a pessimist.
the GNU version of the Collaborative International Dictionary of English
intransitive verb.
To hold or advocate the doctrine of pessimism.
Wiktionary, Creative Commons Attribution/Share-Alike License
verb.
To think like a
pessimist
; to believe the worst.
verb.
To make (something)
pessimal
.
verb.
To make (something) less
efficient
, such as a
computer
program
.
verb.
To become
pessimal
.
Word Usage
"The only way to pessimize that is to use drones, remotely controlled from a central bunker somewhere in a fortified base."