The Collaborative International Dictionary
Immensurable \Im*men"su*ra*ble\, a. [Pref. im- not + L. mensurabilis measurable: cf. F. immensurable. Cf. Immeasurable.] Immeasurable.
What an immensurable space is the firmament.
--Derham.
Wiktionary
a. unmeasurable, immeasurable; not able to be measured, therefore connoting extremely large
WordNet
adj. impossible to measure; "unmeasurable reaches of outer space" [syn: immeasurable, unmeasurable] [ant: measurable]
Usage examples of "immensurable".
Light longer than understanding funneled out of that sun shining in the all-darkness, singing the immensurable praise of creation: birthdeath, darkness eating itself into light.
He prayed for the recovery of that inward privacy which the purpose of his vigil demanded that he seek: a clean parchment of the spirit whereon the words of a summons might be written in his solitudeif that other Immensurable Loneliness which was God stretched forth Its hand to touch his own tiny human loneliness and to mark his vocation there.