[ non-vahy-uh-buh l ]
/ nɒnˈvaɪ ə bəl /


not capable of living, growing, and developing, as an embryo, seed, or plant.
not practicable or workable: a nonviable plan.

Nearby words

  1. nonvalent,
  2. nonvascular plant,
  3. nonvenomous,
  4. nonverbal,
  5. nonverbal communication,
  6. nonvintage,
  7. nonviolence,
  8. nonviolent,
  9. nonviolent resistance,
  10. nonviscous

Origin of nonviable

First recorded in 1875–80; non- + viable

Related formsnon·vi·a·bil·i·ty, noun


[ vahy-uh-bil-i-tee ]
/ ˌvaɪ əˈbɪl ɪ ti /


ability to live, especially under certain conditions: The viability of a fetus outside the womb has increased dramatically with the advent of new technologies and procedures.
the capacity to operate or be sustained: The viability of the company was guaranteed by the success of its new product.
Related formsnon·vi·a·bil·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for non-viability


[ nŏn-vīə-bəl ]


Not capable of living or developing independently. Used especially of an embryo or fetus.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.