reckless /ˈrɛkləs/ adjective Learner's definition of RECKLESS
[more reckless; most reckless]
: not showing proper concern about the possible bad results of your actions鲁莽的;不计后果的;无所顾忌的 -
He is a wild and reckless young man.他是个狂野鲁莽的年轻人。
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She has gotten two tickets for reckless driving. [=driving a car in a dangerous manner]她因鲁莽驾驶收到了两张罚单。
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He showed a reckless disregard for the safety of others.他全然不顾别人的安危。
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He spends money with reckless abandon.他花钱时挥霍无度。
— recklessness
noun [noncount]