immaterial

1 not composed of matter it is only possible to study immaterial forces like gravity by observing their effects on the physical world Synonyms bodiless, ethereal, formless, incorporeal, insubstantial, nonmaterial, nonphysical, spiritual, unbodied, unsubstantial Related Words metaphysical, psychic (also psychical), supernatural; impalpable, insensible, intangible, invisible; airy, diaphanous, gaseous, gossamery, tenuous, thin, vaporous, wispish Near Antonyms animal, carnal, fleshly; detectable, discernible (also discernable), noticeable, observable, palpable, sensible, tangible, visible; bulky, heavy, massive, solid Antonyms bodily, corporeal, material, physical, substantial

2 not having anything to do with the matter at hand while undoubtedly upsetting, that story is immaterial to the question of why you are late Synonyms extraneous, irrelevant, impertinent, inapplicable, inapposite, irrelativeRelated Words incidental, peripheral, tangent, tangential; dead, moot; inconsequential, insignificant, unimportant; empty, inane, meaningless, pointless, senseless, useless; inappropriate, inapt, unsuitableNear Antonyms important, meaningful, significant; sensible, useful; appropriate, apt, fit, suitableAntonyms applicable, apposite, apropos, germane, material, pertinent, pointed, relative, relevant