/ Dictionary / Index U unfilial: Meaning and Definition of Find definitions for: un•fil•i•al Pronunciation: (un-fil'ē-ul), [key] — adj. not befitting a son or daughter; violating the customary obligation of a child to a parent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unfetter unfiltered Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language