/ Dictionary / Index T thimbleful: Meaning and Definition of Find definitions for: thim•ble•ful Pronunciation: (thim'bul-fool"), [key] — pl. -fuls. the amount that a thimble will hold. a small quantity, esp. of liquid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thimbleful (Thesaurus) thimbleberry thimblerig Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language