/ Dictionary / Index B blither: Meaning and Definition of Find definitions for: blith•er Pronunciation: (bli'ur), [key] — v.i. to talk foolishly; blather: He's blithering about some problem of his. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blither (Thesaurus) blithe blithesome Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language