American Heritage Dictionary
(2)
Century Dictionary
(3)
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
Republican efforts include dispatching a former top U.S. terrorism prosecutor from New York, Ed O'Callaghan, to assist Palin's personal lawyer working to derail or delay a pending ethics investigation in Alaska ...— unbossed.com
We must not allow Shell or the state to derail, particularly in the mainstream press, the recent advances made by the Shell to Sea campaign— Politics.ie - 3,4,5,6,7,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,27,28,29,30,32,33,34,35,36,37,38,39,41,42,48,49,50,52
Ed O'Callaghan, to assist Palin's personal lawyer working to derail or delay a pending ethics investigation in Alaska.— News4Jax.com - Local News
It's not yet clear whether such a review would be a mere formality, or whether it could derail or delay a sale.— Newsvine - Get Smarter Here
These Elvis Poses » the fine art of the derail (or the $.25 i owe you)— Murmurs.com

American Heritage Dictionary (1)
Century Dictionary (2)
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