nfs, you have it.

 

A disordered mind admits purpose, thus is driven by the current (8)

 

WORDPLAY

disordered [indicator:anagram] mind -> ndmi

admits [indicator:containment]
      purpose [charade] = will

            So… will is to surround ndmi -> WIndmiLL

DESCRIPTION

is driven by the current = windmill

 

It is all yours with which to play like a cat with several curious cryptic-clue-loving mice.