Not deductible, especially for income-tax purposes.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "nondeductible" in a sentence
"They don't get a deduction because of the wife's high income, so it's called a nondeductible IRA."
"She puts away $5,000, and he puts away $5,000 his IRA is based on her earning and called a nondeductible spousal IRA; otherwise you have to have earned income to contribute to an IRA."
"These investors can open a " nondeductible " IRA, put in up to $5,000 — $6,000 if they ' re at least 50 — and immediately convert to a Roth IRA with little or no tax."