/ Dictionary / Index P permissible: Meaning and Definition of Find definitions for: per•mis•si•ble Pronunciation: (pur-mis'u-bul), [key] — adj. that can be permitted; allowable: a permissible amount of sentimentality under the circumstances; Such behavior is not permissible! Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: permissible (Thesaurus) permillage permissible yield Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language