Underneath

• POS: Adjective, Noun, Preposition, Adverb
• HYPHEN: un=der=neath

CIDE DICTIONARY

Underneath, adv. [OE. undirnepe. See Under, and Beneath.].

 Beneath; below; in a lower place; under; as, a channel underneath the soil.  [1913 Webster]
"Or sullen mole, that runneth underneath."  [1913 Webster]

Underneath, prep. 

 Under; beneath; below.  [1913 Webster]
"Underneath this stone lie
As much beauty as could die."  [1913 Webster]

OXFORD DICTIONARY

Underneath, prep., adv., n., & adj.
--prep.
1 at or to a lower place than, below.
2 on the inside of, within.
--adv.
1 at or to a lower place.
2 inside.
--n. the lower surface or part.
--adj. lower.

Etymology

OE underneothan (as UNDER + neothan: cf. BENEATH)

THESAURUS

Underneath

bed, bedrock, belly, below, beneath, bottom, bottom side, breech, buttocks, clandestine, covert, downside, fundament, furtive, hardpan, hole-and-corner, lower side, lowest layer, lowest level, neath, nether side, nethermost level, rock bottom, sole, stealthy, subordinate to, substratum, surreptitious, under, under-the-table, underbelly, undercover, underlayer, underside

ROGET THESAURUS

Underneath

Lowness

N lowness, debasement, depression, prostration, depression, molehill, lowlands, basement floor, ground floor, rez de chaussee, cellar, hold, bilge, feet, heels, low water, low tide, ebb tide, neap tide, spring tide, low, neap, debased, nether, nether most, flat, level with the ground, lying low, crouched, subjacent, squat, prostrate, under, beneath, underneath, below, downwards, adown, at the foot of, under foot, under ground, down stairs, below stairs, at a low ebb, below par.