/ Dictionary / Index U unformed: Meaning and Definition of Find definitions for: un•formed Pronunciation: (un-fôrmd'), [key] — adj. not definitely shaped; shapeless or formless. undeveloped; crude. not formed; not created. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unformed (Thesaurus) unformatted unfortunate Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language