Answer:

WONKY

Answer	Crossword Clue
WONKY	Bizarre
WONKY	Like some policy experts
WONKY	Expert in government policy

WONKY	Unsteady: Brit. slang.
WONKY	Knowledgeable on arcane details of a subject
WONKY	Not quite right
WONKY	Off-center
WONKY	Preoccupied with arcane details