Tax-Free (Roth)
Money that's never taxed again on withdrawal, including all its growth — the hallmark of Roth accounts.
Tax-free, in retirement-account terms, describes Roth money: you contribute after-tax dollars, and qualified withdrawals — including every dollar of growth — come out completely untaxed. Roth accounts also escape required minimum distributions during the owner's lifetime and don't add to MAGI when withdrawn, which makes them uniquely useful for managing ACA subsidies and IRMAA.
Tax-free dollars are the most flexible money in retirement. They let you fund a large expense, or a year of spending, without bumping your taxable income — invaluable for staying under a subsidy cliff or an IRMAA threshold. That flexibility is the core argument for building Roth space through contributions and conversions.
This definition is general information to help you understand a term, not financial, tax, or legal advice. Figures that change year to year (limits, thresholds, rates) should be confirmed against current official sources. For guidance on your situation, a licensed fee-only fiduciary is the right next step.