verb (used with object)

to refuse to allow; reject; veto: to disallow a claim for compensation.
to refuse to admit the truth or validity of: to disallow the veracity of a report.

Nearby words

  1. disaggregate,
  2. disaggregation,
  3. disagree,
  4. disagreeable,
  5. disagreement,
  6. disallowable,
  7. disambiguate,
  8. disambiguation,
  9. disannul,
  10. disappear

Origin of disallow

First recorded in 1350–1400; Middle English word from Old French word desallouer. See dis-1, allow

Related formsdis·al·low·a·ble, adjectivedis·al·low·a·ble·ness, noundis·al·low·ance, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disallowance

British Dictionary definitions for disallowance


verb (tr)

to reject as untrue or invalid
to cancel
Derived Formsdisallowable, adjectivedisallowance, 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 disallowance



late 14c., "to refuse to praise," from Old French desalouer "to blame," from des- (see dis-) + alouer (see allow); meaning "to reject" is from 1550s. Related: Disallowed; disallowing; disallowance.

Online Etymology Dictionary, © 2010 Douglas Harper