1995 film reworking of Jane Austen's Emma starring Alicia Silverstone (8)

I believe the answer is:

clueless

(Other definitions for clueless that I've seen before include "Lacking knowledge and ability (informal)" , "sort of crossword that nobody can solve?" , "Stupid (unlike crosswords!)" , "With no idea" , "Ignorant; helpless" .)

I've seen this clue in The Independent.

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