noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The act or process of pessimizing, or making something worse. countable, uncountable
2. 2
   A change to program code that makes it less efficient, the opposite of an optimization. countable, uncountable

Etymology

From pessimize + -ation.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.