Definition of "matter"
matter
/ˈmætə/
noun
countable and uncountable, plural matters
(uncountable) Material; substance.
(philosophy) Aristotelian: undeveloped potentiality subject to change and development; formlessness. Matter receives form, and becomes substance.
(obsolete) Essence; pith; embodiment.
(obsolete) (The) inducing cause or reason, especially of anything disagreeable or distressing.
(dated, medicine) Pus.
(uncountable) Importance.
verb
third-person singular simple present matters, present participle mattering, simple past and past participle mattered