underneath
[preposition]
Synonyms: below, beneath, under
[adverb]
Synonyms: below, beneath, under
[adjective]
Synonyms: secret, clandestine, covert, furtive, hole-and-corner, stealthy, sub-rosa, surreptitious, undercover, under-the-table
[noun]
Synonyms: bottom, sole, underside, undersurface

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English Thesaurus: under, below, underneath, beneat

[TahlilGaran] English Synonym Dictionary ▲

I. un‧der‧neath¹ S2 /ˌʌndəˈniːθ $ -ər-/ preposition, adverb
[Language: Old English; Origin: underneothan, from under + neothan 'below']

1. directly under another object or covered by it:
He got out of the car and looked underneath.
It’s near where the railway goes underneath the road.
She was wearing a smart jacket with a T-shirt underneath.
Her blonde hair was hidden underneath a baseball cap.

2. on the lower surface of something:
The car was rusty underneath.
A number had been painted underneath the table.

3. used to say what someone’s character is really like when their behaviour shows a different character:
She seems confident, but she’s really quite shy underneath.
I think he’s a genuinely nice guy underneath it all.

[TahlilGaran] Dictionary of Contemporary English ▲

II. underneath² noun British English
the underneath the bottom surface of something, or the part of something that is below or under something else Synonym : the underside:
We need to paint the underneath with a rust preventer.

[TahlilGaran] Dictionary of Contemporary English ▲

under something that is under something else has that thing directly above it or covering it:
The pen was under the desk.
She had a T-shirt on under her sweater.
below in a lower position than something else, though not always directly under it:
From the cliffs we could barely see the people on the beach below us.
His apartment is below ours on the left.
underneath under – used especially to emphasize that something covers, touches, or hides something:
The girls wear shorts underneath their cheerleading skirts.
I found the book underneath the sofa.
beneath formal under or at a lower level:
They strolled hand in hand beneath the summer moon.
The water lies just beneath the surface of the earth.

[TahlilGaran] English Thesaurus ▲