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Synonyms

underneath

American  
[uhn-der-neeth, -neeth] / ˌʌn dərˈniθ, -ˈnið /

preposition

  1. below the surface or level of; directly or vertically beneath; at or on the bottom of.

  2. under the control of; in a lower position in a hierarchy of authority.

    Underneath the department heads are the junior executives.

  3. hidden, disguised, or misrepresented, as by a false appearance or pretense.

    Underneath his bluster is a timid nature.


adverb

  1. below; at a lower level or position; on the underside.

adjective

  1. lower; situated below or under.

noun

  1. the bottom; underside; lowest part.

underneath British  
/ ˌʌndəˈniːθ /

preposition

  1. under; beneath

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. lower

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a lower part, surface, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underneath

before 900; Middle English undernethe, Old English underneothan. See under, beneath

Vocabulary lists containing underneath

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Underneath the high pressure system sinking air compressed and warmed, lifting temperatures day by day.

From BBC • Jun. 27, 2026

Underneath the marketing buzz, smart glasses are far from being a “solved form factor,” Weinbach said, referring to hardware design.

From MarketWatch • Jun. 27, 2026

Underneath it all is Roko’s Basilisk, a thought experiment that originated on the online rationalist forum LessWrong and has proved genuinely radicalizing.

From The Wall Street Journal • Jun. 4, 2026

Underneath the rot is an architecturally impressive skeleton, so people are free to focus on that.

From Salon • May 14, 2026

Underneath that towel I start to see ugly green.

From "The Truth as Told by Mason Buttle" by Leslie Connor

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