reckless
adjective
[ ˈrɛkləs ]
• heedless of danger or the consequences of one's actions; rash or impetuous.
• "you mustn't be so reckless"
Similar:
rash,
careless,
thoughtless,
incautious,
heedless,
unheeding,
inattentive,
hasty,
overhasty,
precipitate,
precipitous,
impetuous,
impulsive,
daredevil,
devil-may-care,
hot-headed,
irresponsible,
wild,
foolhardy,
headlong,
over-adventurous,
over-venturesome,
audacious,
death-or-glory,
ill-advised,
injudicious,
misguided,
hare-brained,
madcap,
imprudent,
unwise,
ill-considered,
unconsidered,
ill-conceived,
unthinking,
indiscreet,
mindless,
negligent,
tearaway,
harum-scarum,
bull-in-a-china-shop,
temerarious,
Origin:
Old English reccelēas, from the Germanic base (meaning ‘care’) of reck.