[dih-duhk-tuh-buh l]
  1. 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.

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. 2018

Examples from the Web for deductibility

Contemporary Examples of deductibility

British Dictionary definitions for deductibility


  1. capable of being deducted
  2. US and Canadian short for tax-deductible
  1. 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