adj

• (figurative)
  "He has also been good enough to recommend to me many tradesmen who are ready to supply these articles in any quantities; each of whom has been here already a dozen times, cap in hand, and vowing that it is quite immaterial when I pay—which is very kind of them; […]"
• (figurative)
  "No, vvhy art thou then exaſperate, thou idle, / immaterial ſkeine of ſleiue ſilke; thou greene ſacenet flap for a ſore eye, thou toſſell of a prodigalls purſe— […]"
• (figurative)
  "Objection, your Honour! The defendant’s criminal record is immaterial to this case."

noun

• (countable, chiefly in the plural) A being or entity having no matter or substance.
• (countable, chiefly in the plural) A thing which is abstract or intangible; (uncountable) chiefly preceded by the: things which are abstract or intangible considered collectively.
  "Lodge immaterials in thy Head: aſcend unto inviſibles: fill thy Spirit vvith Spirituals, vvith the myſteries of Faith, the magnalities of Religion, and thy Life vvith the Honour of God; […]"