Word: underground
Part of speech: Adjective
Syllables: un
der
ground
Definition: Below the ground; below the surface of the Earth.
Morphemes:
Affix: under
Language: en
PoS: Preposition
Meaning: Below the surface of.
Affix: ground
Language: en
PoS: Noun
Meaning: The surface of the Earth, as opposed to the sky or water or underground.