unearned; without labor
Used almost exclusively in compounds such as 不労所得 (unearned income) or 不労者 (a person who does not work). Rarely used as a standalone noun.
彼は不労所得だけで生活している。
He lives solely on unearned income.
「不
The word 不労 is normally used in compounds like 不労所得 (unearned income).
unearned income; passive income; investment income
Compound of 不 (not) and 労 (labor), literally 'without labor'. The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of unearned or effortless.