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 nouna 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 Whether your motivation to tone and tighten your butt is functional, appearance-focused, or both, this five-minute butt routine will get your backside stronger in no time. Stephanie Mansour, CNN, "This 5-minute workout will tone and tighten your butt," 7 Oct. 2020 Laughter echoed along the mall's empty backside and east parking lot, vacant except for the men's cars and a mall maintenance golf cart. Neil Johnson, Star Tribune, "Lawn chair clubs combine social time and social distancing," 5 Oct. 2020 The platform dipped and some of the kerosene spilled on my backside. Dalton Ross,, "Survivor Quarantine Questionnaire: Billy Garcia was lit on fire during a Cook Islands challenge," 21 Sep. 2020 On Monday, the singer-songwriter, 33, debuted a new tattoo of the Lizzie McGuire alum's first name inked in cursive script, by sharing a hilarious photo of his bare backside on Instagram. Hanna Flanagan,, "Matthew Koma Gets Wife Hilary Duff's Name Tattooed on His Butt — See How She Reacted," 21 Sep. 2020 The trousers of that same boy have a huge tear, leaving part of his backside exposed. Sebastian Smee, Washington Post, "A painting that dares to stare back at you," 16 Sep. 2020 Against a one-technique NT, the center and backside guard will often combination block the nose tackle before working up to a linebacker. John Owning, Dallas News, "Film room: 3 matchups to watch during Cowboys-Rams, including a pay-per-view worthy showdown," 9 Sep. 2020 Less than 15 minutes later, Mueller chipped a cross to an unmarked Nani on the backside, where the captain calmly headed it down to take a 2-0 lead. Julia Poe,, "Orlando City thrashes Chicago Fire, extends 6-game unbeaten streak," 19 Sep. 2020 To reduce noise, diesel Wranglers get additional sound-deadening material on the hot side of the firewall and foam on the backside of the infotainment screen. Scott Oldham, Car and Driver, "2021 Jeep Gladiator EcoDiesel Goes Big on Torque," 17 Sep. 2020

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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Time Traveler for backside

Time Traveler

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

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Statistics for backside

Last Updated

10 Oct 2020

Cite this Entry

“Backside.” Dictionary, Merriam-Webster, Accessed 21 Oct. 2020.

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More Definitions for backside


How to pronounce backside (audio)

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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