The term ABSOLUTELY STUN can be broken down into two crossword solutions: FLABBERGAST (11 letters) and ABSOLUTELY (9 letters). FLABBERGAST is a verb meaning to overwhelm with amazement or shock. It is derived from the Dutch word 'verflabberdast' which means 'FLABBERGASTED'. ABSOLUTELY is an adverb meaning without any doubt or reservation. It is often used to emphasize a point or to express agreement. Together, ABSOLUTELY STUN conveys the idea of being completely overwhelmed or astonished.