Word: underpass
Part of speech: Noun
Syllables: un
der
pass
Definition: A passage that crosses a road, railroad or similar obstacle in a tunnel underneath it.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: pass
Language: en
PoS: Noun
Meaning: An opening, road, or track, available for passing; especially, one through or over some dangerous or otherwise impracticable barrier such as a mountain range; a passageway; a defile; a ford.