what’s the meaning of 'Anti-Fragility'

An antithesis postulated to fragility where high impact events or shocks can be beneficial. Anti-fragility is a concept developed by the professor, former trader and former fund manager Nassim Nicholas Taleb. Taleb coined the term "anti-fragility" because he thought that the existing words used to describe the opposite of "fragility" as "robustness" were inaccurate. Anti-fragility goes beyond robustness; This means that something does not just resist a shock but actually improves because of it.