reckless

Từ điển Oxford Advanced Learner 8th

reck·less BrE [ˈrekləs] NAmE [ˈrekləs] adjective
showing a lack of care about danger and the possible results of your actions
Syn: ↑rash
•He showed a reckless disregard for his own safety.
•She was a good rider, but reckless.
•He had always been reckless with money.
•to cause death by reckless driving
Derived Words: ↑recklessly ▪ ↑recklessness

Word Origin:
Old English reccelēas, from the Germanic base (meaning ‘care’) of reck ‘pay heed to something’.

Thesaurus:
reckless [reckless recklessly recklessness] adj. (usually disapproving)
•He showed a reckless disregard for his own safety.
irresponsible • • rash • • hasty • • careless • |especially written foolish • • unwise • |especially AmE, informal crazy • |especially BrE, informal mad •
Opp: cautious, Opp: responsible
It would be reckless/irresponsible/rash/foolish/unwise/crazy/mad to do sth.

Example Bank:
•She had always been reckless with money.

• Từ đồng nghĩa / Synonyms:
  heedless, foolhardy, heady, rash