immaterial

As adjectives the difference between immaterial and idealised

is that immaterial is having no matter or substance while idealised is (british) regarded as ideal.

As a verb idealised is

(british) (idealise).

As adjectives the difference between ethereal and immaterial

is that ethereal is pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; otherworldly; as, ethereal space; ethereal regions while immaterial is having no matter or substance.

As adjectives the difference between fanciful and immaterial

is that fanciful is imaginative or fantastic; unreal or imagined while immaterial is having no matter or substance.

As adjectives the difference between immaterial and inapplicable

is that immaterial is having no matter or substance while inapplicable is not applicable; incapable of being applied; not adapted; not suitable; as, the argument is inapplicable to the case.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective immaterial is

having no matter or substance.

Insubstancial is likely misspelled.

Insubstancial has no English definition.

As an adjective immaterial is

having no matter or substance.

As adjectives the difference between immaterial and insubstantial

is that immaterial is having no matter or substance while insubstantial is lacking substance; not real or strong.

As adjectives the difference between immaterial and hyperphysical

is that immaterial is having no matter or substance while hyperphysical is supernatural, beyond the physical realm, immaterial, unearthly, preternatural, metaphysical.

As an adjective immaterial

is having no matter or substance.

As a noun superficies is

.

Nonmaterial is a related term of immaterial.

As adjectives the difference between immaterial and nonmaterial

is that immaterial is having no matter or substance while nonmaterial is not material; apart from matter.