The word "more death-dealing" denotes a degree of lethality or deathly impact on an individual or a community. Its antonyms would, therefore, refer to lack of harm or life-threatening impact. Opposite words could include 'safer', 'harmless', 'less deadly', 'non-fatal', and 'non-lethal.' These antonyms indicate a reduced level of risk to an individual or the community, leading to a more peaceful and secure environment. It is essential to identify antonyms for "more death-dealing" to promote non-violence, prevent fatalities, and guarantee a sense of safety and security in society.