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Glossognosia

(noun.)
Etymology: From the Greek glossa (“tongue”) + gnosis (“knowledge”), roughly meaning “your mouth knows more than your mind does.”

Description:
Those afflicted with glossognosia can deploy complex terminology with the precision of a fencing master but cannot, when pressed, explain their own linguistic swordplay.

Common Symptoms:
– Fluent nonsense that sounds suspiciously profound.
– Sudden amnesia when asked for definitions beginning with “technically…”
– The phrase “It’s hard to explain, but you know what I mean.”
– A sense of superiority rapidly followed by existential despair.
– Using “seminal” to describe anything that made an impression.

Diagnosis:
Typically self-diagnosed after a humiliating encounter with someone who owns a dictionary.

Treatment:
– Repeated exposure to etymology until mild shame subsides.
– Controlled reading of actual dictionaries, preferably sober.
– Avoidance of TED Talk addiction.
– Intensive humility therapy.

Prognosis:
Manageable with sustained curiosity and periodic linguistic humility. Prognosis worsens if untreated, leading to advanced stages known as Logorrheic Pretension Syndrome — characterized by using “juxtaposition” to describe literally any contrast.

Social Media Note:
Recently co-opted as a hashtag by influencers describing their “unique brain wiring.”.
“I don’t have brain fog, I have glossognosia. I speak in vibes, not words.”

“During the seminar, he used poignant, zeitgeist, and liminal perfectly — then someone asked for definitions and he fainted. Classic case of glossognosia.”
by APedant November 3, 2025
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