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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:

Among the newly popular offerings: a slouchier, lower-rise version of its flagship jean sold as 501 ’90s, and its wedgie bootcut fit, which was designed to flatter the backside.

From The Wall Street Journal ● Oct. 4, 2026

Now, when you look at the footage, there is that petulant kick by Bruno Fernandes into the backside of Foden.

From BBC ● Sep. 15, 2026

"Zidane did put me on the backside a couple of times because he's brilliant. But he's not going to evaporate, is he?"

From BBC ● May 28, 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

Figuring that I would be jumped from the backside, I moved in a small slow circle to keep watching all sides of the corral.

From "Life Is So Good" by George Dawson

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

We did this until our backsides were so sore we could hardly sit down.

From "Long Walk to Freedom" by Nelson Mandela

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