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v. To think like a pessimist; to believe the worst.

v. To make (something) pessimal.

v. To make (something) less efficient, such as a computer program.

v. To become pessimal.

verb-intransitive. To hold or advocate the doctrine of pessimism.

To hold or express the belief or doctrines of a pessimist.

"The only way to pessimize that is to use drones, remotely controlled from a central bunker somewhere in a fortified base."