More than busy (6)

I believe the answer is:

hectic

(Other definitions for hectic that I've seen before include "Involving feverish activity, flushed" , "Marked by intense agitation - fevered" , "Frantic or feverish" , "'Excited, flustered or rushed (6)'" , "Bustling" .)

I've seen this clue in the LA Times.

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