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deductibility

C1
noun

Pronunciation

UK

  • /dɪˌdʊktəˈbɪlɪti/countableuncountablenoun
  • /dɪˌdʌktəˈbɪlɪti/countableuncountablenoun

US

  • /dɪˌdəktəˈbɪləti/

Description

Deductibility sounds complicated, but it simply means whether an expense can be legally subtracted from your income before taxes are calculated. Think of it like this: imagine building a tower with LEGO bricks. Your total income is the entire pile of bricks. Deductible expenses are specific bricks you are allowed to remove before counting what is left—those remaining bricks are the ones that determine what you pay taxes on.

Not everything is deductible, though. The government sets strict rules about what qualifies. Common deductions include charitable donations, medical expenses above a certain threshold, and necessary business costs. If an expense has "deductibility," it means the tax authorities allow it to reduce your taxable income. A lawyer specializing in tax law might spend hours arguing over the deductibility of a particular business expense to save their client money.

Examples

  1. 1

    Charitable donation

    Before she made the donation, she asked her accountant about the deductibility of the gift.

  2. 2

    Business travel

    The court case focused on the deductibility of travel expenses that mixed business with vacation.

  3. 3

    Mortgage interest

    Changes in tax law can affect the deductibility of mortgage interest from one year to the next.

Forms and spellings

1 form open this card.

Main spelling

  • deductibilitynoun