helter-skelter
1. [ adjective ] lacking a visible order or organization
Synonyms: chaotic
Related terms: disorganized
2. [ adverb ] haphazardly
Synonyms: every_which_way every_wich_way
Examples:

"the books were piled up helter-skelter"

3. [ adjective ] with undue hurry and confusion
Synonyms: pell-mell
Examples:

"a helter-skelter kind of existence with never a pause" "a pell-mell dash for the train"

Related terms: hurried