1995 Amy Heckerling film loosely based on "Emma" (8)

I believe the answer is:

clueless

(Other definitions for clueless that I've seen before include "Stupid - ignorant" , "like a crossword setter getting stuck?" , "Stupid (unlike crosswords!)" , "Totally uninformed about what's going on" , "Stupid (so unable to do crossword?)" .)

I've seen this clue in the USA Today.

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