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Synonyms

backside

American  
[bak-sahyd] / ˈbækˌsaɪd /

noun

  • backsides
    plural
  1. the rear or back part or view of an object, person, scene, etc.; that part which is opposite the front.

  2. rump; buttocks.


backside British  
/ ˌbækˈsaɪd /

noun

  1. the back of something

  2. informal the buttocks

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of backside

1350–1400; Middle English back syde; see back 1, side 1; compare Old English bæce backside

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.

See Examples For:

One of the drivers, Adrian, described it as a "good day to be a taxi driver", while another, Paul, said it was a "pain in the backside".

From BBC Jun. 2, 2026

And have the most important play happen while some latecomer blocks your view with his backside while trying to find his seat.

From The Wall Street Journal May 7, 2026

They just needed a kick up the backside, and they certainly got one of those from United.

From BBC Jan. 25, 2026

These days, I notice fuchsia bursts of bougainvillea instead of my mushy backside.

From Los Angeles Times Nov. 21, 2025

But I couldn’t muster even a faint hiccup of remorse to see the backside of that man.

From "The Detective's Assistant" by Kate Hannigan

Perhaps part of the reason for the silence is that people aren’t getting the information out of Iran that they need to get them off their backsides and into the streets.

From The Wall Street Journal Jan. 12, 2026

“We are working our backsides off, we feel unfulfilled, and we think, ‘For what?’”

From MarketWatch Jan. 10, 2026

A stirring which became an explosion as James Slipper, Jake Gordon and Tom Wright hit the Lions with three tries in mere minutes and put them on their backsides.

From BBC Jul. 26, 2025

To its embarrassment, the Katy ISD Board of Trustees realized that its “nudity” bans had extended to several elementary school library books depicting cartoon backsides.

From Salon Dec. 30, 2023

How would we get money, sitting on our backsides in a shed?

From "Taste of Salt: A Story of Modern Haiti" by Frances Temple

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