1. (of footware) large, heavy and inelegant 
2. Composed of clumps

Derived forms: clumpier, clumpiest

• orthophosphoric acid
• orthophosphorous acid
• orthopnea
• orthopraxy
• Orthopristis
• Orthopristis chrysopterus
• orthopter
• Orthoptera
• orthopteran
• orthopteron
• orthopterous insect
• orthoptic
• orthoptics
• orthoptist
• orthorhombic
• orthoscope
• orthoscopic
• orthostatic
• orthostatic hypotension
• orthotics
• Orthotomus
• Orthotomus sutorius
• orthotropic
• orthotropous
• orthotropous ovule