Definition of tax-deductible
: allowed to be subtracted from the total amount of a person's income before calculating the tax he or she is required to pay : allowable as a deduction from taxes
a tax-deductible donation
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“Tax-deductible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tax-deductible. Accessed 7 Dec. 2021.
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