Definition of matter

• n. - That of which anything is composed; constituent substance; material; the material or substantial part of anything; the constituent elements of conception; that into which a notion may be analyzed; the essence; the pith; the embodiment.
• n. - That of which the sensible universe and all existent bodies are composed; anything which has extension, occupies space, or is perceptible by the senses; body; substance.
• n. - That with regard to, or about which, anything takes place or is done; the thing aimed at, treated of, or treated; subject of action, discussion, consideration, feeling, complaint, legal action, or the like; theme.
• n. - That which one has to treat, or with which one has to do; concern; affair; business.
• n. - Affair worthy of account; thing of consequence; importance; significance; moment; -- chiefly in the phrases what matter ? no matter, and the like.
• n. - Inducing cause or occasion, especially of anything disagreeable or distressing; difficulty; trouble.
• n. - Amount; quantity; portion; space; -- often indefinite.
• n. - Substance excreted from living animal bodies; that which is thrown out or discharged in a tumor, boil, or abscess; pus; purulent substance.
• n. - That which is permanent, or is supposed to be given, and in or upon which changes are effected by psychological or physical processes and relations; -- opposed to form.
• n. - Written manuscript, or anything to be set in type; copy; also, type set up and ready to be used, or which has been used, in printing.
• v. i. - To be of importance; to import; to signify.
• v. i. - To form pus or matter, as an abscess; to maturate.
• v. t. - To regard as important; to take account of; to care for.