Before revision: Robustness is defined in EN 1991-1-7, the Accidental Actions Eurocode part, as "Robustness is the ability of a structure to withstand events like fire, explosions, impact or the consequences of human error, without being damaged to an extent disproportionate to the original cause ."
After revision: Robustness is the ability of a structure to withstand events like fire, explosions, impact or the consequences of human error, without being damaged to an extent disproportionate to the original cause