adj. Consisting of loose leaves (pages), often collected in a binder, rather than being bound like a book or stapled.
the GNU version of the Collaborative International Dictionary of English
adj. having rings that open and close permitting insertion and removal of pages; -- of notebooks and binders and the paper used in them.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. being or having leaves that can be easily removed or rearranged
Word Usage
"An old letter from a girlfriend written on looseleaf paper in blue ink and with several places where the blue ink has run, detailing her undying love."