(idiomatic) as far as that is concerned.

(dated or US) It doesn't matter, it's unimportant, it doesn't make any difference.

Irrespective of, regardless of, in spite of.

plural of Matter

A surname.

Full of matter or material; pithy; informative.

plural of mattering

simple past tense and past participle of matterate

present participle of matterate

Third-person singular simple present indicative form of matterate