/ Dictionary / Index H hubble-bubble: Meaning and Definition of Find definitions for: hub•ble-bub•ble Pronunciation: (hub'ul-bub"ul), [key] — n. a simple form of the hookah, in which the smoke passes through water, causing a bubbling sound. a bubbling sound. an uproar; turmoil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hubble-bubble (Thesaurus) hubble Hubble's constant Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language