/ˈrɛkləsnəs/ – Noun
Definition: Hành vi thiếu cẩn trọng hoặc không chú ý đến hậu quả có thể xảy ra.
A more thorough explanation: the act of taking risks, especially in a way that suggests that you do not understand the possible dangerous consequences of those risks
Example: He was suspended from the bank on accusations of financial recklessness and misconduct.