immaterial

adjective

1 the difference in our ages was immaterial:

irrelevant, unimportant, inconsequential, insignificant, of no matter/moment, of little account, beside the point, not to the point, neither here nor there, inapposite, not pertinent, not germane;

trivial, trifling, petty, superficial;

peripheral, tangential, extraneous.

▷antonyms important, significant.

2 he believed in the immortality of an immaterial soul:

intangible, incorporeal, not material, bodiless, unembodied, disembodied, impalpable, ethereal, unsubstantial, insubstantial, airy, aerial;

spiritual, ghostly, spectral, wraithlike, transcendental, unearthly, supernatural;

rare discarnate, disincarnate, unbodied, phantasmal, phantasmic.

▷antonyms physical, tangible.