What does «inmensurable» mean in Spanish?

Which cannot be measured.
Difficult to measure, especially because of its great extension or difficulty to measure accurately.

Examples of use in Spanish: "inmensurables tierras".

"la inmensurable vastedad del espacio exterior".
Difficult or impossible to evaluate.

Examples of use in Spanish: "este museo tiene tesoros artísticos inmensurables".

"sus películas tuvieron un efecto inmensurable en una generación de estadounidenses".

"la guerra ha causado daños inmensurables".
It is said of a feeling so intense or great that it cannot be measured.

Examples of use in Spanish: "el inmensurable amor de madre".

"sentía un inmensurable amor por ella".

"el inmensurable sufrimiento de la pérdida de un hijo".