Unguided Refusal
Kind: anti-pattern
Layer: Structural Core
Record: lexicon:unguided-refusal
Canonical: Lexicon
Reporting an undeclared word without naming the declared word that covers it, so the developer's or the model's next attempt is another guess and the closed set reads as an obstacle rather than a map.
Listed in Lexicon terms, after Free-Form Folder Level and before Borrowed Synonymy.