immensity

Etymology

From Middle French immensité, equivalent to immense + -ity.

immensity means the characteristic or state of being immense. Lexicurio rates it Distinctive — a strength score of 69 out of 100.

noun

The characteristic or state of being immense.“Thou, whose exterior semblance doth belie / Thy soul's immensity; […]”
An immense object.