Sta-bĭl'i-ty, n.

n. [Lat. stabilitas, Fr. stabilité, Pr. stabilitat, estabilitat, Sp. estabilidad, It. stabilità.]

1. The state of being stable or firm; steadiness; stableness; firmness; strength to stand without being moved or overthrown; as, the stability of a throne; the stability of a constitution of government.
2. Steadiness or firmness of character; firmness of resolution or purpose; the qualities opposite to fickleness, irresolution, or inconstancy; as, a man of little stability, or of unusual stability.
3. Fixedness, as opposed to fluidity. [Rare.]

Since fluidness and stability are contrary qualities. Boyle. Syn. — Steadiness; stableness; constancy; immovability; firmness.