Legal Definition of Gross negligence: (a) Failure to act where duty demands that one act. (b) Acting in such a manner that one ignores the safety of others. (c) Willful neglect | Learn the legal definition of gross negligence and its importance in ensuring safety. Discover the three ways it can be defined, examples in various industries, and the steps you can take to prevent it. Protect your business and others from the consequences of gross negligence. Click here to learn more