Im′ma‐te″ri‐al (ĭm′mȧ‐tē″rĭ‐al), a. [Pref. im- not + material: cf. F. immatériel.] 1. Not consisting of matter; incorporeal; spiritual; disembodied.
Angels are spirits immaterial and intellectual. Hooker.
2. Of no substantial consequence; without weight or significance; unimportant; as, it is wholly immaterial whether he does so or not.
Syn. — Unimportant; inconsequential; insignificant; inconsiderable; trifling.