marked by defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest"
excessively agitated; transported with rage or other violent emotion; "frantic with anger and frustration"; "frenetic screams followed the accident"; "a frenzied look in his eye"