1. A profit or advantage that appears real but is actually false, misleading, or temporary, often resulting from misperception or lack of accounting for external factors
The company's reported earnings were an illusory gain due to accounting manipulation.
Os lucros reportados pela empresa eram um ganho ilusório devido à manipulação contábil.
2. In economics and finance, a nominal increase in value that does not represent actual improvement in purchasing power or real wealth
Inflation created an illusory gain in stock prices without real economic growth.
A inflação criou um ganho ilusório nos preços das ações sem crescimento econômico real.