1. In utter disorder
   - disorderly, hugger-mugger, jumbled, topsy-turvy

1. In a disordered manner
   "they were piled up higgledy-piggledy"
   - topsy-turvy

See also: untidy

• up-to-the-minute
• Upanishad
• upas
• upbeat
• upbound
• upbraid
• upbraider
• upbraiding
• upbringing
• upcast
• upchuck
• upcoming
• upcountry
• upcurved
• update
• updating
• updation
• Updike
• updraft
• upend
• upended
• upending
• upfield
• upfront
• upgradation