I. adverb
Synonyms: below 1, beneath, underneath
Antonyms: above, over
II. preposition
Synonyms: below 1, beneath, underneath
Antonyms: over
III. adjective
1.
Synonyms: inferior 1, lesser, low, lower, nether, subjacent
2.
Synonyms: subordinate , collateral, dependent, secondary, sub, subject, tributary