the GNU version of the Collaborative International Dictionary of English
n. The state or quality of being lengthy; prolixity.
The Century Dictionary and Cyclopedia
n. The quality of being lengthy; prolixity.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the consequence of being lengthened in duration
n. amount or degree or range to which something extends
Word Usage
"MN Besides the importance of purely technical aspects, the lengthiness of the voyages suggested the need to take care of the small details that would make life aboard more comfortable."