Final answer:
Synonyms for recklessness include rashness, imprudence, and thoughtlessness, which all relate to the concept of acting without regard for risk.
Step-by-step explanation:
Synonyms for recklessness include words like rashness, imprudence, and thoughtlessness. All of these alternatives convey the idea of taking actions without considering the potential risks or consequences. For example, driving at high speeds in a residential area can be seen as reckless, or displaying rashness, because it disregards the safety of others.