The Collaborative International Dictionary
Incalculableness
Incalculable \In*cal"cu*la*ble\, a. [Pref. in- not + calculable: cf. F. incalculable.] Not capable of being calculated; beyond calculation; very great; as, his action did incalculable harm. -- In*cal"cu*la*ble*ness, n. -- In*cal"cu*la*bly, adv.
Wiktionary
incalculableness
n. The quality of being incalculable.