superrationality

noun

A kind of rational decision-making, different from the widely-accepted game-theoretical one. A player whose opponent is also superrational will cooperate in the prisoner's dilemma problem, whereas a game-theoretically rational player will defect.

Scrabble 21
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Meanings

nounsuperrationality (uncountable)
  1. uncountableA kind of rational decision-making, different from the widely-accepted game-theoretical one. A player whose opponent is also superrational will cooperate in the prisoner's dilemma problem, whereas a game-theoretically rational player will defect.

Origin

From super- + rationality, coined by Douglas Hofstadter.

Full word history & related roots →
Cite this entry
APA

superrationality. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/superrationality

MLA

“superrationality.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superrationality. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “superrationality,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/superrationality.

Source: superrationality on Wiktionary, CC BY-SA 4.0.