Which of the following best describes criminal negligence?

Criminal negligence is best described as an act showing disregard for safety. This definition captures the essence of the concept, which involves a failure to be aware of a substantial and unjustifiable risk that results in harm to another person or property. It emphasizes the individual's lack of reasonable care or the necessary attention to safety standards that a reasonable person would consider, thus leading to potential harmful outcomes.

In many jurisdictions, criminal negligence is recognized when an individual's conduct is so far removed from the standard of care expected that it demonstrates a blatant disregard for the safety of others. This makes it distinct from mere accidents or errors in judgment; rather, it places a focus on a conscious choice to ignore important safety considerations.

The emphasis on disregard for safety sets criminal negligence apart from actions that are willful or intentional, which are defined as having a purpose to bring about a certain result. This is why options that discuss willful acts with legal intent or serious crimes with intent to harm are not appropriate in characterizing criminal negligence. Similarly, stating that an act is performed without any thought does not adequately capture the element of disregard for safety or the risk involved, which is central to understanding criminal negligence.