/ˈrekləs/ [adj.] showing a lack of care about danger and the possible results of your actions. 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. ADJ 鲁莽的，不计后果的；粗心大意的 Are Russia and China just crazy? Are these two nations just reckless and trigger happy?