Underground
nounid
152725·updated May 16, 2026“Underground” is retired. It does not tag in any document, it is excluded from the anchor pack, and it does not hold its lemma — so another term can take it.
deprecated
an electric railway operating below the surface of the ground (usually in a city)
polysemous
Attested in
No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
Sensitivity
unclassified
Information Class
unclassified
Variants
No variants recorded
This term has no surface-form variants in the lexicon yet, so it tags only its canonical form.
Framework definitions
- §1
- an electric railway operating below the surface of the ground (usually in a city)
- §2
- a secret group organized to overthrow a government or occupation force
Outgoing relationships
No outgoing triples
This term is not the subject of any RDF-style relationship yet.
Incoming relationships
No incoming triples
No other term currently asserts a relationship to this one.