backside

noun back·side \ ˈbak-ˌsīd \
|Updated on: 4 Aug 2018

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 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

Examples of backside in a Sentence

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

Recent Examples of backside from the Web

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.

First Known Use of backside

14th century

in the meaning defined at sense 2

See Words from the same year
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backside Synonyms


BACKSIDE Defined for English Language Learners

backside

Definition of backside for English Language Learners

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


BACKSIDE Defined for Kids

backside

noun back·side \ ˈbak-ˌsīd \

Definition of backside for Students

1 : rump 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

Medical Dictionary

backside

noun back·side \ -ˌsīd \

medical Definition of backside

: buttocks often used in plural


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