nest egg
Definitions
A sum of money saved for the future, typically for retirement.
A fund or reserve accumulated for a specific long-term purpose.
Examples
After years of careful saving, she finally built up a substantial nest egg for her retirement.
It is important to start putting money aside early in your career to ensure you have a comfortable nest egg.
Synonyms
savings rainy day fund reserve fund stashed money accumulated capital
Antonyms
debt expenditure living paycheck to paycheck financial deficit immediate spending