noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:AH1 N D ER0 P AE2 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A passage, especially for pedestrians, that crosses underneath a road, railroad or obstacle.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: subway, flyunder
Antonyms: none provided
2
noun
Meaning 2
an underground tunnel or passage enabling pedestrians to cross a road or railway
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: subway
Antonyms: none provided
Broader terms: tunnel
History
Etymology
Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Indo-European *(H)n̥dhí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dhér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- Proto-Indo-European *peth2-der. Proto-Italic *pattus Latin passus Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Vulgar Latin *passāre Old French passerbor. Middle English passen English pass English underpass From under- + pass.
Across languages
Translations
39 source translations are retained for this English entry.