I. underneath preposition
Synonyms: below 1, beneath, under
II. underneath adverb
Synonyms: below 1, beneath, under
III. ||underneath adjective
Synonyms: secret 1, clandestine, covert, furtive, hole-and-corner, stealthy, sub-rosa, surreptitious, undercover, under-the-table
IV. underneath noun
Synonyms: bottom 1, sole, underside, undersurface