not bound or tied upunbound periodicals

A book that was never bound into covers, such as “unbound sheets” which were, for whatever reason, never bound by the publisher. Not to be confused with Disbound.

indicates that the item has never been bound, i.e. unbound sheets; not the same as disbound which indicates that the binding has been removed.

An open source alternative to the BIND (Berkeley Internet Name Domain) domain name system, Unbound is a validating, recursive and caching DNS server that has been released under the BSD license. The c [..]

A printed publication issued without a binding or cover, or a copy that is not and never has been bound, as distinct from disbound. Prior to the 19th century, books were sold in the form of printed se [..]

(v) untie or unfasten(adj) not secured within a cover(adj) not restrained or tied down by bonds(adj) not held in chemical or physical combination