Fragility

Part of speech: noun (n.)

1. The condition or quality of being fragile; brittleness; frangibility. Bacon.

2. Weakness; feebleness. An appearance of delicacy, and even of fragility, is almost essential to it [beauty]. Burke.

3. Liability to error and sin; frailty. [Obs.] The fragility and youthful folly of Qu. Fabius. Holland.