nonmonotonic

/ˌnɑnməˈtɑnɪk/
adjective
  1. Not consistently increasing or decreasing; changing direction in value or trend.
    • Her mood was nonmonotonic, swinging from joy to sadness and back again.
    • In mathematics, a nonmonotonic function can go up and down as you move along the x-axis.
    • The graph showed a nonmonotonic pattern, rising sharply then falling.
  2. Describing a type of logic where conclusions can be revised when new information is added.
    • In artificial intelligence, nonmonotonic logic helps programs handle incomplete information.
    • Unlike standard logic, nonmonotonic systems can retract a previous conclusion.
    • Nonmonotonic reasoning allows a computer to change its mind when it learns something new.
Antonyms
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