back·​side | \ ˈbak-ˌsīd How to pronounce backside (audio) \

Definition of backside

1 informal

a : the part of the body that a person sits on : buttocks I slid down on my backside, heaving or rowing myself with my arms and using my good leg for steering …— Oliver Sacks
b : the part of the body of a four-legged animal corresponding to the buttocks : rump sense 1a … admits she hit the dog's backside but denies hitting it on the head.— Ann Krueger
2 or back side : the side or surface opposite the front or face of something : the farthest or reverse side : back A tight, rocky couloir drops down the backside of the peak …— Mike Beaudry The guy with the clipboard pulled me over, pointed to an innocuous little knob on the back side of the engine and said it's part of the computer and needs to be replaced.— Tom and Ray Magliozzi

3 or back side

a : the side opposite the homestretch on a racecourse : backstretch When challenged on the backside the final time around, Tudor Palm would have no part of it, and burst to the lead again.— Jackie Burke
b : the part of a playing field or court (as in football or basketball) that is away from where the main action or play is occurring often used before another noun a backside tackle
c : the final 9 holes of an 18-hole golf course The duo had a little trouble on the backside, though, as they bogeyed the par-3 11th hole.— Brian Girasoli

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Examples of backside in a Sentence

our backsides were sore after sitting on those hard benches for so long

Recent Examples on the Web

Tracie Dutter said police arrived at the scene first and reported flames coming out of several windows on the backside of the complex. Bay City News Service, The Mercury News, "Antioch fire sends two people to hospital," 28 June 2019 The piece, Untitled, is emblazoned on the backside of a Center City Target, between 10th and 11th Streets on Sansom, and features North Philly teen Najee Spencer-Young. Elizabeth Wellington,, "Amy Sherald, who painted Michelle Obama’s portrait, designs a mural that turns a Philly teen into her own inspiration | Elizabeth Wellington," 5 June 2019 He's muscled with a six-pack that would make even Nick Scratch jealous, has beautiful brown locks of hair, and trots around town wearing nothing but a loincloth, showing off his blasphemous backside and eventually making his way to Dorian Gray's. Gabe Bergado, Teen Vogue, "Chilling Adventures of Sabrina," 10 Apr. 2019 My backside is numb as our group finally brings a herd of cattle into the pens on a cloudy afternoon. Candice Rainey, Condé Nast Traveler, "The Colorado Ranch Retreat That Gives You a Real Taste of Cowboy Life," 20 July 2018 And while the electrodes on the digital crown and the backside of the watch were there, the software to support them hadn’t been released. Dieter Bohn, The Verge, "Apple Watch electrocardiogram and irregular heart rate features are available today," 6 Dec. 2018 The firefighters continued to wave – but a shot was fired, prompting them to flee from the backside of the mountain. Hal Bernton, The Seattle Times, "2 hunters cited after firing rifles toward wildland firefighters near White Pass," 11 Sep. 2018 Or are the higher ups at the federation too busy covering their own backsides to care? Nancy Armour, USA TODAY, "Don't make Simone Biles and other gymnasts return to Karolyi ranch," 16 Jan. 2018 When the film was coming out, the question I was asked the most was regarding my weight ... I was followed around Heathrow [Airport] by a guy who wanted to take a picture of my backside. Fox News, "10 celebs who went on extreme diets for movie roles," 6 Aug. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'backside.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of backside

14th century, in the meaning defined at sense 2

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Statistics for backside

Last Updated

7 Jul 2019

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Time Traveler for backside

The first known use of backside was in the 14th century

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More Definitions for backside



English Language Learners Definition of backside

informal : the part of the body that a person sits on


back·​side | \ ˈbak-ˌsīd How to pronounce backside (audio) \

Kids Definition of backside

1 : rump sense 1 … the black pup came toward her, his fat backside swinging as he trotted …— Jean Craighead George, Julie of the Wolves
2 : the part of the body on which a person sits


back·​side | \ -ˌsīd How to pronounce backside (audio) \

Medical Definition of backside

: buttocks often used in plural

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More from Merriam-Webster on backside

Rhyming Dictionary: Words that rhyme with backside

Thesaurus: All synonyms and antonyms for backside

Spanish Central: Translation of backside

Nglish: Translation of backside for Spanish Speakers

Britannica English: Translation of backside for Arabic Speakers

Comments on backside

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