1. 
[syn: nontaxable, exempt]
The Collaborative International Dictionary of English v.0.48:
nontaxable \nontaxable\ adj.
   Not subject to taxation; -- of goods imported into a country
   or sold at retail outlets; as, most laws imposing sales taxes
   make food nontaxable. Opposite of taxable. [Narrower terms:
   duty-free; tax-exempt, tax-free; unratable; untaxed ]
   Also See: {exempt.
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
nontaxable
    adj 1: (of goods or funds) not subject to taxation; "the funds
           of nonprofit organizations are nontaxable"; "income
           exempt from taxation" [syn: nontaxable, exempt] [ant:
           nonexempt, taxable]