Clue: Spaced-out Boatman lost bearings around Paris (6)
Answer: SPARSE
Explanation: Definition: Spaced-out
Not sure about this one. 
I assume it's
 
SE ("bearings") around PARS ("Paris" with I ("Boatman") "lost")
 
but in my opinion, the "Boatman lost" bit of the clue needs to be nearer "Paris"