As its name suggests, it takes time, but its lethality is certain without the antidote.

Source: https://gamerant.com/game-of-thrones-poison-westeros/

Dr. Bizzari said, “I am excited to join this dedicated Board, and look forward to contributing to the success of their very promising therapeutics at the center of synthetic lethality and DNA Damage Repair drug development.”

Source: https://forextv.com/top-news/aprea-therapeutics-appoints-dr-jean-pierre-bizzari-to-its-board-of-directors-and-names-dr-richard-peters-as-chairman/

Having often faced very dangerous circumstances, The Authority has grown incredibly adaptable to them, and most notably often answers lethality in kind.

Source: https://www.cbr.com/dcu-the-authority-facts/

I suspect that those of us brought up during the horrors of nuclear errors and "demonstrated" lethality will never be persuaded that nuclear usage - weaponized or not, will ever be safe, will ever be without the risk of human error or malfeasance.

Source: https://www.nationalobserver.com/2023/02/14/opinion/nuclear-power-emissions-environmental-risks

It becomes apparent that humanity has created a genocidal stew of lethality in which we have to live.

Source: https://www.nationalobserver.com/2023/01/04/opinion/canada-should-resolve-make-alcohol-more-expensive-2023

It doesn't convey anything about lethality or risk to the population.

Source: https://news.slashdot.org/story/23/05/05/188202/who-declares-end-to-covid-global-health-emergency?utm_source=rss1.0mainlinkanon&utm_medium=feed

Situations that have been given a “high lethality designation” would get higher priority.

Source: https://www.columbian.com/news/2023/feb/22/washington-lawmaker-wants-to-build-on-tiffany-hill-domestic-violence-law/