— harum-scarumness , n.
/hair"euhm skair"euhm, har"euhm skar"euhm/ , adj.
1. reckless; rash; irresponsible: He had a harum-scarum youth.
2. disorganized; uncontrolled.
adv.
3. recklessly; wildly: He ran harum-scarum all over the place.
n.
4. a reckless person.
5. reckless or unpredictable behavior or action.
[ 1665-75; earlier harum-starum rhyming compound based on obs. hare to harass + STARE ]
Syn. 1, 2. erratic, impulsive, impetuous; giddy, scatterbrained.