1828, from French viable "capable of life" (1530s), from vie "life" (from Latin vita "life;" see vital) + -able. Originally of newborn infants; generalized sense is first recorded 1848. Related: Viably.
例文
1. Their defense markets are too small to sustain economically viable production runs.
彼らの国防市場は小さすぎて、経済的な実行可能性については生産を維持するのに十分ではありません。
2.Cash alone will not make Eastern Europe 's banks viable .
現金だけで東欧の銀行を維持することはできない。
3.Five viable pregnance were established.
5人の胎児が生存できることが決定された。
4.The factory is no longer economically viable .
この工場は経済的に維持できなくなった。
5.It is only their investment that makes the programme economically viable .