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Related to bipedal: quadrupedal, Bipedal posture


 (bī-pĕd′l) or bi·ped (bī′pĕd′)
1. Having two feet; two-footed.
2. Walking on two feet.

bi·ped′al·ism (-pĕd′l-ĭz′əm), bi′pe·dal′i·ty (-pə-dăl′ĭ-tē) n.
bi·ped′al·ly adv.


Standing or walking on two feet. ♦ The use of two feet for standing and walking is known as bipedal locomotion. The evolution of bipedal locomotion in humans was aided by the development of an upright head and backbone and of an arched foot.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.bipedal - having two feetbipedal - having two feet      
four-footed, quadruped, quadrupedal - having four feet
References in classic literature ?
As the President finished reading the paper (which I beg leave to assure my readers is a bona fide copy of one written by bona fide girls once upon a time), a round of applause followed, and then Mr.
Besides his fiction of an annuity, about which no one at the present time knew anything, the chevalier really had, therefore, a bona fide income of a thousand francs.
It was even better than removing from East Broadway into bona fide, real, unequaled, league-long, eighty feet wide, Broadway!
Bona rerum secundarum optabilia; adversarum mirabilia.
You are an unusual sort of a person; you don't lie at every step, as some men do; in fact, you don't lie at all, and there is a matter in which I need a true and sincere friend, for I really may claim to be among the number of bona fide unfortunates just now.
The reward which has been offered is a large one, and it is not for me to question the bona fide nature of it.
Don't let reformers of any sort think that they are going really to lay hold of the working boys and young men of England by any educational grapnel whatever, which isn't some bona fide equivalent for the games of the old country "veast" in it; something to put in the place of the back-swording and wrestling and racing; something to try the muscles of men's bodies, and the endurance of their hearts, and to make them rejoice in their strength.
Then these arrests," Hamel remarked," are really bona fide?
But 'bonus' means 'good,' as it happens,--bonus, bona, bonum.
The scientists say their observations are a window into how bipedal dinosaurs - the ones that stood on their hind legs - may have walked and run.
The presentation shows impressive progress towards making bipedal robots as agile, if not more so, than humans.
Being limited to walking speeds contradicts arguments of high-speed pursuit predation for the largest bipedal dinosaurs like T-Rex.