Viable Definition

Capable of success or continuing effectiveness; practicable.
A viable plan; a viable national economy.
American Heritage
Able to live.
Webster's New World
Workable and likely to survive or to have real meaning, pertinence, etc.
A viable economy, viable ideas.
Webster's New World
Capable of living, developing, or germinating under favorable conditions.
Viable spores.
American Heritage Medicine
Capable of living outside the uterus. Used of a fetus or newborn.
American Heritage Medicine

Origin of Viable

  • From French, from Medieval Latin *vitabilis (“capable of life"), from Latin vita (“life"); see vital.

    From Wiktionary

  • French from vie life from Old French from Latin vīta gwei- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition


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