/ Dictionary / Index N nonviable: Meaning and Definition of Find definitions for: non•vi•a•ble Pronunciation: (non-vī'u-bul), [key] — adj. not capable of living, growing, and developing, as an embryo, seed, or plant. not practicable or workable: a nonviable plan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonviable (Thesaurus) nonuser nonviolence Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language