adjective. Of no importance or relevance; inconsequential or irrelevant. synonym: irrelevant.

adjective. Having no material body or form.

Not consisting of matter; not material.

Without special significance or importance; of no essential consequence; unimportant.

Specifically, in law:

Not relevant; having no bearing on the question: as, immaterial evidence.

Not absolutely essential to constitute the cause of action or defense: as, an immaterial averment (a statement of unnecessary particulars).

Synonyms Unessential, non-essential, insignificant.

noun. Something not material.

adjective. Not consisting of matter; incorporeal; spiritual; disembodied.

adjective. Of no substantial consequence; without weight or significance; unimportant.

adjective. Having no matter or substance.

adjective. Irrelevant.

adjective. without material form or substance

adjective. not pertinent to the matter under consideration

adjective. (often followed by `to') lacking importance; not mattering one way or the other

adjective. not consisting of matter

adjective. of no importance or relevance especially to a law case