1. nondeductible - Noun
2. nondeductible - Adjective
not allowable as a deduction
Source: WordNetIf you're not eligible to contribute to a deductible IRA, a nondeductible IRA is a valid option. Source: Internet
When her van was towed (by Chrysler) to the "nearest dealer" (not where she purchased it), she was charged a $45 application fee just to file for a reimbursement of her nondeductible, dealer-sold extended warranty. Source: Internet