bi·ped·al 
(bī-pĕdl) or bi·ped (bīpĕd′)
(bī-pĕdl) or bi·ped (bīpĕd′)adj.
1. Having two feet; two-footed.
2. Walking on two feet.
bi·pedal·ism (-pĕdl-ĭz′əm), bi′pe·dali·ty (-pə-dălĭ-tē) n.
bi·pedal·ly adv.
- unappetizingly
- unappreciated
- unappreciative
- unappreciatively
- unapproachability
- unapproachable
- unapproachableness
- unapproachably
- unappropriated
- unapproved
- unapt
- unaptly
- unaptness
- unarguable
- unarguably
- unarm
- unarmed
- unarticulated
- unary operation
- unashamed
- unashamedly
- unasked
- unassailability
- unassailable
- unassailableness