"Total devastation" means complete destruction or ruin. It refers to a state of utter destruction where everything has been severely damaged or destroyed. Full definition
Having renters insurance isn't just for people who can afford it, it's for people who can't afford to be without it when facing a loss of total devastation. (effectivecoverage.com)
Earlier this year, shocking photos and video revealed total devastation in parts of the reef. (desdemonadespair.net)
«This is really about total devastation,» she says. (sciencemag.org)