underneath

1 of 2

preposition

un·​der·​neath ˌən-dər-ˈnēth 

1

a

: directly beneath

write the date underneath the address

b

: close under especially so as to be hidden

treachery lying underneath a mask of friendliness

wore a swimsuit underneath his slacks

2

: under subjection to

underneath

2 of 2

adverb

1

: under or below an object or a surface : beneath

2

: on the lower side

underneath adjective

Synonyms

Adverb

• below
• beneath
• under

Examples of underneath in a Sentence

Preposition

He hid the envelope underneath his coat.

She slipped a note underneath the door.

The ball rolled underneath the car.

He lives in the apartment underneath mine.

There was gum stuck underneath the table.

Underneath her calm exterior was a nervous woman with a hot temper.

They actually had a lot in common underneath their obvious differences.

Adverb

He wore a white sweater with a red shirt underneath.

She lifted up the rock and found ants crawling underneath.

The car had rust underneath.

Recent Examples on the Web

Preposition

But there is a weirdness not too far underneath that surface, and not just from the presence of the church. —Guthrie Scrimgeour, Rolling Stone, 16 Mar. 2025

Berlanga was originally slated to headline a fight in Puerto Rico on March 8, 2025, but instead, Matchroom placed him in the co-main event slot for the March 15 card underneath Williams vs. Volny. —Brian Mazique, Forbes, 16 Mar. 2025

Adverb

Here’s what will change for Southwest passengers amid big gamble for airline Southwest’s iconic blue, red and yellow planes will still be recognizable after its recent moves — but underneath, the company will look a lot different and will operate a lot more like its competition. —Chicago Tribune, 17 Mar. 2025

Polar research stations today are typically built on top of the ice rather than hollowed out underneath. —Katie Hunt, CNN, 15 Mar. 2025

Word History

Etymology

Preposition

Middle English undernethe, preposition & adverb, from Old English underneothan, from under + neothan below — more at beneath

First Known Use

Preposition

before the 12th century, in the meaning defined at sense 1a

Adverb

before the 12th century, in the meaning defined at sense 1

Phrases Containing underneath

• the underneath
• underneath it all

Rhymes for underneath

• beneath
• bequeath
• neath
• sheath
• teeth
• wreath

Kids Definition

underneath

1 of 2 preposition

un·​der·​neath ˌən-dər-ˈnēth 

1

: right under

wore their bathing suits underneath their clothes

2

: under the control of

underneath

2 of 2 adverb

1

: under or below an object or an outside part

soaked through the jacket to the shirt underneath

2

: on the lower side

a pot blackened underneath