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.
Unearned (deferred) revenue. an item initially recorded as a liability that is expected to become a revenue over time. Items that have been initially recorded as liabilities but are expected to become revenues over time or through the normal operations of the business.