from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the trait of not being dependable or reliable
Sorry, no etymologies found.
The older "Queen's knights" must have naturally felt her devotion to him; his "undependableness" -- in consequence not merely of his fits of madness but of his chivalrously permissible but very inconvenient habit of disguising himself and taking the other side -- must have annoyed the whole Table.