Impulsive (4)
'impulsive' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for rash that I've seen before include "Eruption of spots on skin" , "Impetuous; skin ailment" , "Lacking in caution" , "Foolhardy with skin ailment" , "spate" .)
(Other definitions for quixotic that I've seen before include "Unrealistic and impractical" , "Visionary" , "Extravagantly romantic" , "Romantically impractical" , "donnish?" .)
'impulsive' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for brash that I've seen before include "Flashy, crude" , "Cocksure" , "Loud, garish" , "loose broken rock" , "Pushy" .)
'impulsive' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for capricious that I've seen before include "Arbitrary and inconsistent" , "on a whim" , "Given to sudden mood swings" , "Changeable in mood" .)