Of a book, etc.: bound in paper covers; paperback.

Covered with something soft; esp. (of a book) = softcover, adj.

Of a literary work, etc.: published in paperback form.

Of a book: bound in covers of stiff paper or flexible card.

Of a book, pamphlet, etc.: bound in a soft cover; esp. = paperback, adj. 1. Later also: of or relating to paperback books. Cf. softback, adj. 2.

Of a book: = paperback, adj. 1. Also: of or relating to books of this kind.