/ Dictionary / Index D disallow: Meaning and Definition of Find definitions for: dis•al•low Pronunciation: (dis"u-lou'), [key] — v.t. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disallow (Thesaurus) dis aliter visum* disambiguate Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language