bi·​ped·​al·​ism | \ (ˌ)bī-ˈpe-dᵊl-ˌi-zəm How to pronounce bipedalism (audio) \

Definition of bipedalism

: the condition of having two feet or of using only two feet for locomotion

Examples of bipedalism in a Sentence

Recent Examples on the Web But not all experts have agreed that the Sahelanthropus skull definitely suggested bipedalism. Brian Handwerk, Smithsonian Magazine, 24 Aug. 2022 Evidence of bipedalism began with previous studies of the skull. Brian Handwerk, Smithsonian Magazine, 24 Aug. 2022 The fossil, of a female hominin species that lived about 3.2 million years ago, supported the evolutionary idea that bipedalism preceded an increase in brain size. Eric Berger, Ars Technica, 3 Aug. 2022 All modern birds can trace their origins to theropods, according to paleontologists, with features like plumage, bipedalism and egg-laying common to both groups. Aylin Woodward, WSJ, 21 Dec. 2021 The idea that a third hominin species—in the same time and place as A. afarensis, at that—was evolving for bipedalism on its own branch of the family tree is a fascinating one. Kiona N. Smith, Ars Technica, 6 Dec. 2021 If two different species were walking upright on the landscape at the same time, that suggests different simultaneous experiments in bipedalism — complicating the conventional view of human evolution as strictly linear. Christina Larson, Anchorage Daily News, 2 Dec. 2021 Other maladies may be traced back to the origin of bipedalism. Adrian Woolfson, WSJ, 31 May 2021 Early species were adapted to climbing as well as bipedalism; later species had more specialized diets of tough, fibrous food. National Geographic, 30 Jan. 2020 See More

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

First Known Use of bipedalism

1847, in the meaning defined above

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The first known use of bipedalism was in 1847

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Last Updated

10 Sep 2022

Cite this Entry

“Bipedalism.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2022.

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