/ Dictionary / Index U unfathered: Meaning and Definition of Find definitions for: un•fa•thered Pronunciation: (un-fä'urd), [key] — adj. having no father; fatherless. of illegitimate or unknown paternity; bastard. not ascribable to a particular author or source: unfathered tales. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unfasten unfavorable Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language