Word
Aporia
A state of puzzlement or impasse in which the way forward in an argument is unclear
Examples
The questions brought her to aporia: the definition she trusted no longer explained her own examples.
Aporia can mark the beginning of careful inquiry rather than its permanent end.
Origin
The term is associated with perplexity in Greek philosophy. Plato's dialogues often bring a confident speaker to an impasse through questioning. In the Meno, the experience becomes explicit: a person who could speak at length on virtue finds that he cannot say what it is.
How it connects
Aporia names the impasse that questioning brings into view.
This word appeared in The useful moment of not knowing, the Involves connection for October 4, 2026, which asked: Can losing confidence be a step toward understanding?
Check yourself
Which case best illustrates aporia?
A familiar explanation breaks down and the speaker cannot yet see a way forward. Exactly. Aporia is a recognized impasse, not mere repetition or a settled solution.
What the sources establish
Plato's Meno depicts philosophical perplexity when confident proposed definitions fail.
Sources
Meno (Plato; Internet Classics Archive), 80a–d: torpedo comparison; 84a–c: perplexity and desire to inquire