IMMATURENESS
Im`ma*ture"ness, n.

Defn: The state or quality of being immature; immaturity. Boyle.

IMMATURITY
Im`ma*tu"ri*ty, n. Etym: [L. immaturitas: cf. F. immaturité.]

Defn: The state or quality of being immature or not fully developed; unripeness; incompleteness. When the world has outgrown its intellectual immaturity. Caird.

IMMEABILITY Im`me*a*bil"i*ty, n. Etym: [Pref. im- not + L. meabilis passable, fr. meare to pass.]

Defn: Want of power to pass, or to permit passage; impassableness.
Immeability of the juices. Arbuthnot.

IMMEASURABILITY
Im*meas`ur*a*bil"i*ty, n.

Defn: The quality of being immeasurable; immensurability.

IMMEASURABLE Im*meas"ur*a*ble, a. Etym: [Pref. im- not + measurable: cf. F. measurable. Cf. Immensurable, Unmeasurable.]

Defn: Incapble of being measured; indefinitely extensive; illimitable; immensurable; vast. Of depth immeasurable. Milton.