/ ˈhektɪk; NAmE / adjective
very busy; full of activity :
to lead a hectic life
a hectic schedule
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WORD ORIGIN
late Middle English etik , via Old French from late Latin hecticus , from Greek hektikos habitual, from hexis habit, state of mind or body. The original association with the symptoms of tuberculosis ( hectic fever ) gave rise to the current sense in the early 20th century.