A fuller guide to this term is on the way. In the meantime, the related terms below explain the ideas around it.
Related Brickyard terms
- Estimated TaxesPayments made throughout the year on income that has no tax withheld, such as freelance or investment earnings.
- WithholdingMoney your employer takes out of each paycheck and sends to the government toward your expected tax bill.
- Tax LiabilityThe total amount of tax you owe to the government for a given year before subtracting payments already made.
- Tax ExtensionA request for more time to file your return, though any tax you owe is still due by the original deadline.
- Taxable IncomeThe portion of your income left after deductions that the government actually applies tax rates to.
Turn this into a brick
Knowing what Underpayment Penalty means is knowledge — the first half. A brick gets placed when you act on it.
More in Taxes
1099Adjusted Gross Income (AGI)Alternative Minimum Tax (AMT)Capital Gains TaxChild Tax CreditDependent
Plain-English education — not personalized legal, tax, or investment advice.