Writing so much as to fill volumes; producing numerous or extensive literary works; writing or discoursing at great length.

Of a person: writing much, prolific. Of a book, etc.: voluminous, copious; comprising several works; dealing with many subjects. Now rare.

= omniscribent adj.

(of a person) capable of writing on all subjects or in all styles.

Designating a person who writes or ‘scribbles’, esp. for journalistic publication, a great deal.

writing on all subjects.

Of a writer or creative artist: = prolific, adj. 3c.