As Taleb explains in his book, antifragility is fundamentally different from the concepts of resiliency (i.e. the ability to recover from failure) and robustness (that is, the ability to resist failure).
The noun UNEARNED INCOME has 2 senses: 1. personal income that you did not earn (e.g., dividends or interest or rent income). 2. (accounting) income received but not yet earned (usually considered a current liability on a company's balance sheet). Familiarity information: UNEARNED INCOME used as a noun is rare.
What is 'Unearned Revenue'. Unearned revenue is money received by an individual or company for a service or product that has yet to be fulfilled. Unearned revenue can be thought of as a prepayment for goods or services that a person or company is expected to produce for the purchaser.