• synonyms


[non-vahy-uh-buh l]
See more synonyms for nonviable on Thesaurus.com
  1. not capable of living, growing, and developing, as an embryo, seed, or plant.
  2. not practicable or workable: a nonviable plan.
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Origin of nonviable

First recorded in 1875–80; non- + viable
Related formsnon·vi·a·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for non-viable

illogical, speculative, unworkable, unusable, improbable, unreal, absurd, unwise, quixotic, impossible, unattainable, useless, impractical, inoperable, abstract, chimerical, idealistic, impracticable, inapplicable, inefficacious

Examples from the Web for non-viable

Historical Examples of non-viable

  • In such a case must the surgeon let the mother die lest he hasten the death of a non-viable child?

    Essays In Pastoral Medicine

    Austin Malley

non-viable in Medicine


  1. Not capable of living or developing independently. Used especially of an embryo or fetus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.