/ Dictionary / Index F formless: Meaning and Definition of Find definitions for: form•less Pronunciation: (fôrm'lis), [key] — adj. lacking a definite or regular form or shape; shapeless. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: formless (Thesaurus) formidable form letter Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language