[ dih-duhk-tuh-buh l ]
/ dɪˈdʌk tə bəl /


capable of being deducted.
allowable as a tax deduction: Charitable contributions are deductible expenses.


the amount for which the insured is liable on each loss, injury, etc., before an insurance company will make payment: The deductible on our medical coverage has been raised from $50 to $100 per illness.

Nearby words

  1. dedifferentiation,
  2. dedolomitization,
  3. dedolomitize,
  4. deduce,
  5. deduct,
  6. deductible clause,
  7. deduction,
  8. deduction theorem,
  9. deductive,
  10. deductively

Origin of deductible

First recorded in 1855–60; deduct + -ible

Related formsde·duct·i·bil·i·ty, nounnon·de·duct·i·bil·i·ty, nounnon·de·duct·i·ble, adjective, nounun·de·duct·i·ble, adjective

Can be confuseddeducible deductible Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deductibility

British Dictionary definitions for deductibility


/ (dɪˈdʌktɪbəl) /


capable of being deducted
US and Canadian short for tax-deductible


insurance, US and Canadian a specified contribution towards the cost of a claim, stipulated on certain insurance policies as being payable by the policyholderAlso called (in Britain and certain other countries): excess
Derived Formsdeductibility, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for deductibility



1610s, "that may be deduced," also "that may be deducted;" from Latin deducere (see deduce) + -ible. As a noun, "deductible thing," by 1927.

Online Etymology Dictionary, © 2010 Douglas Harper