/ Dictionary / Index W water-soluble: Meaning and Definition of Find definitions for: wa•ter-sol•u•ble Pronunciation: (wô'tur-sol"yu-bul, wot'ur-), [key] — adj. capable of dissolving in water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: water-soluble (Thesaurus) water softener water spaniel Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language